{"product_id":"mirka-fbs-b-13-12-v-1-2-in-x-18-in-cordless-file-belt-sander-5-0ah-kit-with-charger-mus-fbs13","title":"Mirka FBS-B 13 12 V 1\/2-in. x 18-in. Cordless File Belt Sander 5.0Ah Kit with Charger (MUS-FBS13)","description":"\u003csection data-aplus\u003e\n  \u003cdetails id=\"product-features\" class=\"acc\" open\u003e\n    \u003csummary\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003c\/summary\u003e\n    \u003cdiv class=\"acc-body\"\u003e\n      \u003cdiv class=\"features\"\u003e\n        \u003cdiv class=\"card\"\u003e\n          \u003cdiv class=\"card-inside\"\u003e\n            \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/power-source.svg\" alt=\"power-source\" class=\"aplusicon\"\u003e\n          \u003c\/div\u003e\n          \u003cdiv\u003e\u003cstrong\u003eCordless Freedom\u003c\/strong\u003e\u003c\/div\u003e\n          \u003cdiv class=\"feature-card\"\u003eThis cordless file belt sander cuts the hose and compressor out of the job. That matters when you are moving around a vehicle, working inside tighter repair areas, or setting up where air is not practical.\u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"card\"\u003e\n          \u003cdiv class=\"card-inside\"\u003e\n            \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/motor-type.svg\" alt=\"motor-type\" class=\"aplusicon\"\u003e\n          \u003c\/div\u003e\n          \u003cdiv\u003e\u003cstrong\u003eBrushless Removal Rate\u003c\/strong\u003e\u003c\/div\u003e\n          \u003cdiv class=\"feature-card\"\u003eThe brushless motor is built for fast, aggressive material removal on spot welds, weld seams, paint, and rust. You get the cutting speed you want without dragging around an air setup.\u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"card\"\u003e\n          \u003cdiv class=\"card-inside\"\u003e\n            \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/variable-speed.svg\" alt=\"variable-speed\" class=\"aplusicon\"\u003e\n          \u003c\/div\u003e\n          \u003cdiv\u003e\u003cstrong\u003eControl in Tight Work\u003c\/strong\u003e\u003c\/div\u003e\n          \u003cdiv class=\"feature-card\"\u003eSpeed buttons, a stepless trigger, LED lighting, and belt tracking adjustment give you better control where precision matters most. That is a big deal when you are cleaning seams without tearing up the surrounding panel.\u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails id=\"product-overview\" class=\"acc\"\u003e\n    \u003csummary\u003e\u003ch2\u003eOverview\u003c\/h2\u003e\u003c\/summary\u003e\n    \u003cdiv class=\"acc-body\" data-product-summary\u003e\n      \u003cp\u003e\u003cstrong\u003eMirka® FBS-B 13 .5\" x 18\" Cordless Belt Sander w\/Charger + Batteries\u003c\/strong\u003e is a compact cordless file belt sander built for body repair, weld seam grinding, spot weld cleanup, vehicle manufacturing, and restoration work. This is a file belt sander designed for precise grinding and material removal in narrow, hard-to-reach areas. Model Number: \u003cstrong\u003eMUS-FBS13\u003c\/strong\u003e. If you do metal prep around panels, seams, or rust repair and want air-tool performance without the hose, this is the setup Mirka put together for that exact job.\u003c\/p\u003e\n      \u003cp\u003eThe big story here is mobility without giving up real working power. Mirka uses a brushless motor to keep the tool smooth, quiet, and long-lasting while still delivering aggressive removal when you need to knock down welds or strip paint. Because it is cordless, you are not tied to a compressor or fighting a hose while working around a fender, door opening, rocker, or interior repair area. On automotive work, that is not a small convenience. It saves setup time and makes awkward positions a lot more manageable.\u003c\/p\u003e\n      \u003cp\u003eThe .5 inch x 18 inch belt format is what makes this tool useful where a larger belt sander simply cannot go. It gives you a narrow working contact area for seam cleanup, spot weld grinding, and detail work along edges and contours. Mirka also calls out a high removal rate with a good surface finish, which is the balance you want on repair work. Fast enough to move material, controlled enough that you are not making extra work for yourself afterward.\u003c\/p\u003e\n      \u003cp\u003eMirka did not stop at raw removal speed. The FBS-B 13 includes speed setting buttons plus a stepless trigger, so you can manage the belt speed based on the material and the stage of the job. That matters when switching from heavier weld cleanup to more controlled paint removal or finish correction around a repair. The linear trigger response helps keep the tool predictable instead of jumpy, which is exactly what you want when the sanding arm is working close to visible surfaces.\u003c\/p\u003e\n      \u003cp\u003eOn the design side, this tool is built to be used for extended periods without beating up the operator. Mirka describes it as light, balanced, and ergonomic, with a rubberized handle for better grip and comfort. The bare tool weighs only 1.6 lbs, and it is just over 2 lbs with a battery installed depending on which pack you use. For overhead work, vertical seams, and repairs in cramped positions, lower weight is not just a comfort spec. It directly affects control and fatigue.\u003c\/p\u003e\n      \u003cp\u003eJobsite practicality is strong here too. An integrated LED light helps when you are working inside body structures or anywhere shop lighting does not fully reach. The spark protection flap adds a layer of control during metal grinding applications. Mirka also includes belt position adjustment with an easy knob, plus an open belt protection system that speeds up belt changes. Those details do not sound flashy, but on real repair work they reduce downtime and make the tool easier to keep dialed in.\u003c\/p\u003e\n      \u003cp\u003eThis kit version is set up to work right away. The MUS-FBS13 package includes the tool, two 5.0 Ah max 12V Li-Ion batteries, and a charger. Mirka also notes that 2.5 Ah 11.1V Li-Ion batteries are available separately as a lighter option for shorter tasks, while the 5.0 Ah packs are the better choice for longer sessions. The same batteries are used across other Mirka cordless sanders, polishers, and the Mirka ANGOS ARG-B cordless grinder, so users already in that platform get a practical advantage.\u003c\/p\u003e\n      \u003cp\u003eBluetooth connectivity adds another useful layer instead of being a gimmick. Through the myMirka app, you can access vibration measurement, RPM range management, and belt speed monitoring. For shops trying to standardize processes or keep tabs on how tools are being used, that is a genuinely useful feature.\u003c\/p\u003e\n      \u003cp\u003eWho should buy it? Automotive techs, collision repair pros, restoration shops, metal fabricators doing detail cleanup, and serious users who need a narrow belt sander for controlled metal removal. If most of your work is broad flat sanding, this is the wrong tool. If your work lives in seams, welds, edges, and tight access spots, this is exactly the kind of specialized cordless belt sander that earns its keep fast.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails id=\"product-benefits-1\" class=\"acc\"\u003e\n    \u003csummary\u003e\u003ch2\u003eReach Tight Repair Areas\u003c\/h2\u003e\u003c\/summary\u003e\n    \u003cdiv class=\"acc-body\"\u003e\n      \u003cdiv class=\"row\"\u003e\n        \u003cdiv class=\"img\"\u003e\n          \u003cimg src=\"https:\/\/cdn.anglera.com\/assets\/74d6ed76-fe0d-4d23-a9db-1f8749ca9ef2\/20260623229_1.jpg\" alt=\"Mirka® FBS-B 13 .5\" x cordless belt sander w batteries file configured for narrow metal grinding in automotive seam repair work class=\"tnblock-img\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"copy\"\u003e\n          \u003cp\u003eThe narrow arm and belt size let this sander work where larger tools cannot. That makes it a strong fit for spot weld cleanup, seam grinding, and detail prep on vehicle panels and restoration work.\u003c\/p\u003e\n          \u003cul\u003e\n            \u003cli\u003e.5 in x 18 in belt size for focused access and controlled removal\u003c\/li\u003e\n            \u003cli\u003eBuilt specifically for body repairs, weld seam grinding, and vehicle restoration\u003c\/li\u003e\n          \u003c\/ul\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails id=\"product-benefits-2\" class=\"acc flip\"\u003e\n    \u003csummary\u003e\u003ch2\u003eDial In Speed for the Task\u003c\/h2\u003e\u003c\/summary\u003e\n    \u003cdiv class=\"acc-body\"\u003e\n      \u003cdiv class=\"row\"\u003e\n        \u003cdiv class=\"img\"\u003e\n          \u003cimg src=\"https:\/\/cdn.anglera.com\/assets\/74d6ed76-fe0d-4d23-a9db-1f8749ca9ef2\/20260623229_2.jpg\" alt=\"Mirka® FBS-B 13 .5\" x cordless belt sander w batteries handle with speed controls for controlled weld grinding and paint removal class=\"tnblock-img\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"copy\"\u003e\n          \u003cp\u003eThis tool gives you more than one speed and hopes for the best. The button controls and stepless trigger let you match belt speed to the job so you can stay aggressive when needed and back off when surface control matters more.\u003c\/p\u003e\n          \u003cul\u003e\n            \u003cli\u003eSpeed setting buttons help fine-tune performance\u003c\/li\u003e\n            \u003cli\u003eStepless trigger supports smoother, more precise linear speed control\u003c\/li\u003e\n          \u003c\/ul\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails id=\"product-benefits-3\" class=\"acc\"\u003e\n    \u003csummary\u003e\u003ch2\u003eBuilt for Daily Shop Use\u003c\/h2\u003e\u003c\/summary\u003e\n    \u003cdiv class=\"acc-body\"\u003e\n      \u003cdiv class=\"row\"\u003e\n        \u003cdiv class=\"img\"\u003e\n          \u003cimg src=\"https:\/\/cdn.anglera.com\/assets\/74d6ed76-fe0d-4d23-a9db-1f8749ca9ef2\/20260623229_5.jpg\" alt=\"Mirka® FBS-B 13 .5\" x cordless belt sander w batteries showing sanding arm spark protection flap and compact body for automotive metal finishing class=\"tnblock-img\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"copy\"\u003e\n          \u003cp\u003eMirka added the kind of details that actually matter in a working shop. Low weight helps reduce fatigue, the LED helps in dim areas, and the open belt protection and tracking adjustment keep belt changes and setup straightforward.\u003c\/p\u003e\n          \u003cul\u003e\n            \u003cli\u003e1.6 lbs bare tool weight helps with overhead and awkward-position work\u003c\/li\u003e\n            \u003cli\u003eIntegrated LED light, spark protection flap, and easy belt position adjustment improve real-world usability\u003c\/li\u003e\n          \u003c\/ul\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails id=\"product-whats-included\" class=\"acc\" open\u003e\n    \u003csummary\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003c\/summary\u003e\n    \u003cdiv class=\"acc-body\"\u003e\n      \u003cdiv class=\"tnincluded-wrapper\"\u003e\n        \u003cul\u003e\n          \u003cli\u003e(1) Mirka FBS-B 13 Cordless File Belt Sander\u003c\/li\u003e\n          \u003cli\u003e(2) 5.0 Ah max 12V Li-Ion batteries\u003c\/li\u003e\n          \u003cli\u003e(1) Charger\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"included-note\"\u003e\n        \u003cp\u003eAbrasive belts are not listed as included.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails id=\"product-key-specifications\" class=\"acc\" open\u003e\n    \u003csummary\u003e\u003ch2\u003eKey Specifications\u003c\/h2\u003e\u003c\/summary\u003e\n    \u003cdiv class=\"acc-body\"\u003e\n      \u003ctable class=\"aplusspecs\"\u003e\n        \u003ctr\u003e\n          \u003cth\u003eBelt Size\u003c\/th\u003e\n          \u003ctd\u003e0.5 in x 18 in\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eVoltage (V)\u003c\/th\u003e\n          \u003ctd\u003eMax 12V\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eBattery Capacity\u003c\/th\u003e\n          \u003ctd\u003e(2) 5.0 Ah Li-Ion included\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eMotor Type\u003c\/th\u003e\n          \u003ctd\u003eBrushless\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003ePower Source\u003c\/th\u003e\n          \u003ctd\u003eCordless battery\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eWeight (lbs)\u003c\/th\u003e\n          \u003ctd\u003e1.6 lbs bare tool\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eConnectivity\u003c\/th\u003e\n          \u003ctd\u003eBluetooth via myMirka app\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eLED Light\u003c\/th\u003e\n          \u003ctd\u003eIntegrated\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails id=\"product-compatibility\" class=\"acc\"\u003e\n    \u003csummary\u003e\u003ch2\u003eCompatibility\u003c\/h2\u003e\u003c\/summary\u003e\n    \u003cdiv class=\"acc-body\"\u003e\n      \u003cdiv class=\"compat-list\"\u003e\n        \u003cdiv class=\"compat-row\"\u003e\n          \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/voltage.svg\" alt=\"voltage\" class=\"icon-sm\"\u003e\n          \u003cdiv\u003e\n            \u003cstrong\u003eBattery Platform\u003c\/strong\u003e\n            \u003cdiv class=\"compat-detail\"\u003eUses Mirka max 12V Li-Ion batteries, including the included 5.0 Ah packs and the separately sold 2.5 Ah battery option.\u003c\/div\u003e\n          \u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"compat-row\"\u003e\n          \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/connectivity.svg\" alt=\"connectivity\" class=\"icon-sm\"\u003e\n          \u003cdiv\u003e\n            \u003cstrong\u003eApp Connectivity\u003c\/strong\u003e\n            \u003cdiv class=\"compat-detail\"\u003eBluetooth connects with the myMirka app for vibration measurement, RPM range management, and belt speed monitoring.\u003c\/div\u003e\n          \u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"compat-row\"\u003e\n          \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/accessories-included.svg\" alt=\"accessories-included\" class=\"icon-sm\"\u003e\n          \u003cdiv\u003e\n            \u003cstrong\u003eAbrasives\u003c\/strong\u003e\n            \u003cdiv class=\"compat-detail\"\u003eDesigned to work with Mirka file belts and surface conditioning belts for grinding spot welds, removing paint, and surface prep.\u003c\/div\u003e\n          \u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"compat-row\"\u003e\n          \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/toolbox.svg\" alt=\"toolbox\" class=\"icon-sm\"\u003e\n          \u003cdiv\u003e\n            \u003cstrong\u003eShared Mirka Battery Use\u003c\/strong\u003e\n            \u003cdiv class=\"compat-detail\"\u003eThe same battery system is used with other Mirka cordless sanders, polishers, and the Mirka ANGOS ARG-B cordless grinder.\u003c\/div\u003e\n          \u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails id=\"product-applications-uses\" class=\"acc\"\u003e\n    \u003csummary\u003e\u003ch2\u003eBuilt For\u003c\/h2\u003e\u003c\/summary\u003e\n    \u003cdiv class=\"acc-body\"\u003e\n      \u003cdiv class=\"tags\"\u003e\n        \u003cspan class=\"tag\"\u003eAutomotive\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003eCollision Repair\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003eVehicle Restoration\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003eMetalworking\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003eSpot Weld Grinding\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003eWeld Seam Cleanup\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003ePaint Removal\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003eRust Removal\u003c\/span\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails id=\"product-pro-tips\" class=\"acc\"\u003e\n    \u003csummary\u003e\u003ch2\u003ePro Tip\u003c\/h2\u003e\u003c\/summary\u003e\n    \u003cdiv class=\"acc-body\"\u003e\n      \u003cdiv class=\"tip-row\"\u003e\n        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/specs.svg\" alt=\"specs\" class=\"icon-lg\"\u003e\n        \u003cp class=\"tip-text\"\u003eUse the included 5.0 Ah batteries when you are doing longer weld cleanup sessions, and switch to the separately sold 2.5 Ah pack if you want a lighter setup for quick detail work. On a tool this compact, a little weight reduction is noticeable fast.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails id=\"product-tool-nut-take\" class=\"acc\"\u003e\n    \u003csummary\u003e\u003ch2\u003eTool Nut's Take\u003c\/h2\u003e\u003c\/summary\u003e\n    \u003cdiv class=\"acc-body\"\u003e\n      \u003cdiv class=\"eyebrow\"\u003eTool Nut's Take\u003c\/div\u003e\n      \u003ch3\u003eMirka® FBS-B 13 .5\" x 18\" Cordless Belt Sander w\/Charger + Batteries is a smart buy for metal detail work\u003c\/h3\u003e\n      \u003cp\u003eThis is the kind of specialized cordless belt sander that makes a lot of sense if your work lives in seams, spot welds, and tight repair areas.\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eWho it's for:\u003c\/strong\u003e Body techs, restoration shops, and metalworkers who need narrow-access grinding and finishing without dragging an air hose around the job.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eWhy it stands out:\u003c\/strong\u003e Brushless power, very low tool weight, good speed control, LED lighting, and a ready-to-work kit with two batteries and a charger.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e This is not a general-purpose broad surface sander. It is a focused tool for detail grinding and access work, which is exactly why it works so well in that role.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails id=\"product-faqs\" class=\"acc\"\u003e\n    \u003csummary\u003e\u003ch2\u003eCommon Questions\u003c\/h2\u003e\u003c\/summary\u003e\n    \u003cdiv class=\"acc-body\"\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eWhat kind of work is this sander designed for?\u003c\/strong\u003e It is designed for body repairs, spot weld grinding, weld seam grinding, vehicle manufacturing, and restoration work.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eIs this a cordless or pneumatic file belt sander?\u003c\/strong\u003e It is a cordless battery-powered file belt sander, so it does not require air hoses or compressed air.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eDoes it support app connectivity?\u003c\/strong\u003e Yes. Bluetooth works with the myMirka app for vibration measurement, RPM range management, and belt speed monitoring.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHow much does the tool weigh?\u003c\/strong\u003e The bare tool weighs 1.6 lbs, and it weighs just over 2 lbs with a battery installed depending on the battery used.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e","brand":"Mirka","offers":[{"title":"Default Title","offer_id":53385918939430,"sku":"MUS-FBS13","price":871.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/20260623229_1.jpg?v=1782171907","url":"https:\/\/www.toolnut.com\/products\/mirka-fbs-b-13-12-v-1-2-in-x-18-in-cordless-file-belt-sander-5-0ah-kit-with-charger-mus-fbs13","provider":"Tool Nut","version":"1.0","type":"link"}