{"product_id":"mirka-fbs-b-13-12v-1-2-in-x-18-in-cordless-file-belt-sander-tool-only-mbb1300100","title":"Mirka FBS-B 13 12V 1\/2-in. x 18-in. Cordless File Belt Sander, Tool Only (MBB1300100)","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\/motor-type.svg\" alt=\"motor-type\" class=\"aplusicon\"\u003e\n          \u003c\/div\u003e\n          \u003cdiv\u003e\u003cstrong\u003eFast Weld Cleanup\u003c\/strong\u003e\u003c\/div\u003e\n          \u003cdiv class=\"feature-card\"\u003eThe narrow belt arm and brushless drive are built for aggressive material removal on spot welds, weld seams, rust, and paint. That means quicker cleanup where a larger sander cannot reach.\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\/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 equation. If you move around a vehicle, work in a tight bay, or do field repairs, that matters right away.\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\/connectivity.svg\" alt=\"connectivity\" class=\"aplusicon\"\u003e\n          \u003c\/div\u003e\n          \u003cdiv\u003e\u003cstrong\u003eControl and Visibility\u003c\/strong\u003e\u003c\/div\u003e\n          \u003cdiv class=\"feature-card\"\u003eSpeed setting buttons, a stepless trigger, integrated LED light, and Bluetooth support give you better control over finish quality and tool setup. You get more precision without slowing down.\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\u003eThe Mirka FBS-B 13 Cordless File Belt Sander, Model Number MBB1300100, is a 12V cordless file belt sander built for body repair, vehicle manufacturing, and restoration work. This is a file belt sander designed for spot weld grinding, weld seam grinding, paint removal, and rust cleanup in tight spaces. If you need fast stock removal on narrow, hard-to-reach areas without dragging an air hose behind you, this is exactly the kind of tool that makes the job easier.\u003c\/p\u003e\n      \u003cp\u003eMirka built this tool around a powerful brushless motor, and that matters because file belt sanding is all about steady removal rate and control. The Mirka FBS-B 13 Cordless File Belt Sander is meant to cut through spot welds and seam buildup efficiently while still leaving a usable surface finish when paired with the right abrasive or surface conditioning belt. Adjustable RPM settings and a stepless trigger let you back the tool down when you need control, then bring the speed up when the job turns into straight material removal.\u003c\/p\u003e\n      \u003cp\u003eThe 0.5 inch by 18 inch belt format is a big part of why this tool is useful. A narrow belt arm gets into corners, seams, and confined repair areas where a larger grinder or wider sander becomes clumsy. For auto body work, fabrication cleanup, and restoration jobs, that reach is the whole point. You can work directly on weld seams, around panel edges, and in restricted areas without fighting the size of the tool.\u003c\/p\u003e\n      \u003cp\u003eOn the handling side, Mirka calls out a light, balanced, ergonomic build with a rubberized handle. The listed weight is only 1.6 lbs without the battery, with total installed weight just over two pounds depending on battery choice. That lower weight matters when you are working at odd angles, chasing a seam along a body line, or holding the tool out in front of you for longer passes. Less fatigue usually means better control and fewer mistakes.\u003c\/p\u003e\n      \u003cp\u003eThis cordless belt sander is also set up for practical jobsite use. The integrated LED light helps when you are working in dim corners, inside panels, or in a crowded bay where overhead light never seems to hit the exact spot you need. The spark protection flap adds a layer of control when grinding in areas where stray sparks are a concern. Mirka also includes a belt position adjustment knob and an open belt protection system, which helps with belt alignment and faster belt changes so you spend less time fiddling with setup.\u003c\/p\u003e\n      \u003cp\u003eSystem compatibility is another strong point. MBB1300100 is the bare tool version, so batteries and charger are not included. It uses the same Mirka 11.1V lithium-ion batteries used across other Mirka cordless sanders, polishers, and the Mirka ANGOS ARG-B cordless grinder. If you are already on that Mirka cordless platform, this tool drops into the system cleanly. Bluetooth connectivity adds support through the myMirka app for vibration measurement, RPM range management, and belt speed monitoring, which is useful if you want tighter control over how the tool is set up and used.\u003c\/p\u003e\n      \u003cp\u003eWho is this for? First and foremost, auto body techs, restoration shops, metalworking pros, and serious DIY users doing weld cleanup and surface prep. If your work involves narrow grinding paths, seam work, spot weld removal, or paint and rust removal in restricted areas, this tool makes a lot more sense than trying to force a larger grinder into a small space. If you need a general-purpose wide-area sander, look elsewhere. If you need a compact cordless file belt sander that is purpose-built for detail metal prep, this is the right type of tool.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails id=\"product-benefits\" 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\/20260623064_1.jpg\" alt=\"Mirka FBS-B 13 Cordless File Belt Sander angled view showing the narrow 0.5 x 18 inch belt arm for spot weld grinding and seam work in auto body repair\" class=\"tnblock-img\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"copy\"\u003e\n          \u003cp\u003eThe narrow arm is what makes this tool worth owning. It gets into seams, corners, and localized repair zones where a standard grinder or larger sander is simply too bulky.\u003c\/p\u003e\n          \u003cul\u003e\n            \u003cli\u003eDesigned for body repairs, vehicle manufacturing, and restoration\u003c\/li\u003e\n            \u003cli\u003e0.5 in x 18 in belt size is well suited to spot weld and weld seam grinding\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\u003eWork Without Air Hoses\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:\/\/img.mirka.com\/medias\/MBB1300100-002.jpg?context=bWFzdGVyfGltYWdlc3wyOTQ3NDN8aW1hZ2UvanBlZ3xhRE14TDJobU15OHhNamt5T1RZMU1qUTVNREkzTUM5TlFrSXhNekF3TVRBd1h6QXdNaTVxY0djfDZjMmRhMTE3NTAxZWQ1ZGRhN2VjZjRmNmNiNWE2ZjgxOWUwZjM1MzQyNWM2MGVjNTM0M2M5ZThkOTdhYTMwMmY\" alt=\"Mirka FBS-B 13 Cordless File Belt Sander close view of body and sanding arm for cordless metal grinding in a workshop or collision repair bay\" class=\"tnblock-img\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"copy\"\u003e\n          \u003cp\u003eGoing cordless is not just about convenience here. It lets you move around a vehicle or fabrication setup without hose drag, compressor noise, or being locked to one spot.\u003c\/p\u003e\n          \u003cul\u003e\n            \u003cli\u003e12V cordless design for workshops and jobsites where compressed air is impractical\u003c\/li\u003e\n            \u003cli\u003eUses Mirka 11.1V lithium-ion batteries shared with other Mirka cordless tools\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\u003eDial In Belt Tracking and Speed\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\/20260623064_2.jpg\" alt=\"Mirka FBS-B 13 Cordless File Belt Sander front handle view showing control buttons and belt arm setup for precision grinding and finishing on weld seams\" class=\"tnblock-img\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"copy\"\u003e\n          \u003cp\u003eFine control is a big deal on thin metal and finished panels. Speed setting buttons, a stepless trigger, and belt position adjustment help you keep removal rate where you want it instead of overcutting the work.\u003c\/p\u003e\n          \u003cul\u003e\n            \u003cli\u003eStepless trigger supports precise linear speed control\u003c\/li\u003e\n            \u003cli\u003eBelt position adjustment knob helps keep the abrasive running true\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 Bare Tool\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"included-note\"\u003e\n        \u003cp\u003eBatteries and charger are not included with MBB1300100.\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\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/voltage.svg\" alt=\"voltage\" class=\"aplusicon\"\u003e Voltage (V)\u003c\/th\u003e\n          \u003ctd\u003e12V max\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/size.svg\" alt=\"size\" class=\"aplusicon\"\u003e Belt Size\u003c\/th\u003e\n          \u003ctd\u003e0.5 in x 18 in\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/weight.svg\" alt=\"weight\" class=\"aplusicon\"\u003e Weight (lbs)\u003c\/th\u003e\n          \u003ctd\u003e1.6 lbs bare tool\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/motor-type.svg\" alt=\"motor-type\" class=\"aplusicon\"\u003e Motor Type\u003c\/th\u003e\n          \u003ctd\u003eBrushless\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/variable-speed.svg\" alt=\"variable-speed\" class=\"aplusicon\"\u003e Speed Control\u003c\/th\u003e\n          \u003ctd\u003eSpeed setting buttons with stepless trigger\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/led-light.svg\" alt=\"led-light\" class=\"aplusicon\"\u003e Work Light\u003c\/th\u003e\n          \u003ctd\u003eIntegrated LED light\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/connectivity.svg\" alt=\"connectivity\" class=\"aplusicon\"\u003e Connectivity\u003c\/th\u003e\n          \u003ctd\u003eBluetooth via myMirka app\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/power-source.svg\" alt=\"power-source\" class=\"aplusicon\"\u003e Power Source\u003c\/th\u003e\n          \u003ctd\u003eCordless lithium-ion battery platform\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\/batteries-included.svg\" alt=\"batteries-included\" class=\"icon-sm\"\u003e\n          \u003cdiv\u003e\n            \u003cstrong\u003eBattery Platform\u003c\/strong\u003e\n            \u003cdiv class=\"compat-detail\"\u003eUses the same Mirka 11.1V lithium-ion batteries 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        \u003cdiv class=\"compat-row\"\u003e\n          \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/size.svg\" alt=\"size\" class=\"icon-sm\"\u003e\n          \u003cdiv\u003e\n            \u003cstrong\u003eBelt Size\u003c\/strong\u003e\n            \u003cdiv class=\"compat-detail\"\u003eDesigned to use 0.5 in x 18 in file belts and surface conditioning belts.\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 Support\u003c\/strong\u003e\n            \u003cdiv class=\"compat-detail\"\u003eBluetooth connectivity works 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      \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\"\u003eAfter installing a fresh belt, use the belt position adjustment knob to center the belt before leaning into a weld seam. It takes a few seconds and helps the narrow belt track cleanly instead of wandering on the arm.\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 Cordless File Belt Sander is a smart buy for weld cleanup\u003c\/h3\u003e\n      \u003cp\u003eThis is the kind of specialized tool that saves time the minute you put it on seam work, spot welds, and tight metal prep.\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eWho it's for:\u003c\/strong\u003e Auto body techs, restoration shops, and metalworking users who need a narrow cordless sander for localized grinding and surface prep.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eWhy it stands out:\u003c\/strong\u003e Brushless power, low weight, cordless freedom, app connectivity, and a purpose-built 0.5 inch x 18 inch belt format give it real jobsite usefulness.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e MBB1300100 is the bare tool only, so if you are not already on Mirka batteries, plan on adding batteries and a charger.\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 is this tool mainly 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 an air tool?\u003c\/strong\u003e No. It is a cordless file belt sander, which makes it useful where air compressors and hoses are impractical.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eDoes it have variable speed control?\u003c\/strong\u003e Yes. It uses speed setting buttons and a stepless trigger for adjustable RPM control.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCan it connect to the myMirka app?\u003c\/strong\u003e Yes. Bluetooth connectivity supports functions such as vibration measurement, RPM range management, and belt speed monitoring through the myMirka app.\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":53385915433254,"sku":"MBB1300100","price":436.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/20260623064_1.jpg?v=1782171892","url":"https:\/\/www.toolnut.com\/products\/mirka-fbs-b-13-12v-1-2-in-x-18-in-cordless-file-belt-sander-tool-only-mbb1300100","provider":"Tool Nut","version":"1.0","type":"link"}