{"product_id":"mirka-fbs-b-10-12v-3-8-in-x-13-in-cordless-file-belt-sander-5-0ah-kit-with-charger-mus-fbs10","title":"Mirka FBS-B 10 12V 3\/8-in. x 13-in. Cordless File Belt Sander 5.0Ah Kit with Charger (MUS-FBS10)","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 Access\u003c\/strong\u003e\u003c\/div\u003e\n          \u003cdiv class=\"feature-card\"\u003eNo hose and no cord means this file belt sander gets into tight repair areas without dragging an air line behind you. That matters when you are chasing spot welds, seams, and rust in awkward positions.\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 while staying smooth and quiet. You get the grinding performance you need for weld cleanup without the maintenance of a brushed 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\/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\"\u003eStepless trigger control, adjustable speed settings, an LED light, and Bluetooth support give you better feel at the belt and better visibility on fine repair work. That helps you remove material with less guesswork.\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 10 .375\" x 13\" Cordless File Belt Sander with Charger and Batteries is a cordless file belt sander built for body repair, weld cleanup, paint removal, and restoration work. This is a file belt sander designed for spot weld grinding, weld seam grinding, and tight-access metal sanding. Model MUS-FBS10 includes the tool, two 5.0Ah max 12V Li-Ion batteries, and a charger, so it is ready for the shop right out of the box.\u003c\/p\u003e\n      \u003cp\u003eWhere this tool earns its keep is access. A narrow .375 inch by 13 inch belt lets you work into seams, edges, and repair zones that are hard to reach with a larger belt sander or grinder. For auto body techs and restoration guys, that means better control around spot welds, welded joints, and rusted sections where you need removal speed without giving up precision.\u003c\/p\u003e\n      \u003cp\u003eMirka uses a brushless electric motor here, and that matters for more than just spec-sheet talk. A brushless setup gives you long service life, strong power delivery, and a smoother feel under load. Mirka also calls out quiet operation and fast, aggressive material removal, which is exactly what you want when the job is repetitive and you are moving from weld to weld all day.\u003c\/p\u003e\n      \u003cp\u003eThe cordless design is a major upgrade over air-powered file sanders if you are tired of dragging hoses around the vehicle or tying up compressor capacity. This sander is built for workshops and job sites where compressed air is impractical, and it gives you freedom to reach awkward repair areas without fighting hose management. In real use, that means less setup hassle and easier movement around panels, pillars, and inside corners.\u003c\/p\u003e\n      \u003cp\u003eControl is another strong point. The Mirka FBS-B 10 uses speed setting buttons along with a stepless trigger, so you can creep into delicate work or lean into faster stock removal as needed. That kind of control matters when you are switching between knocking down a seam and refining the surface before the next finishing step. Mirka also includes a belt position adjustment knob, which helps keep the belt tracking where it should instead of wasting time on fussy alignment.\u003c\/p\u003e\n      \u003cp\u003eFor day-long use, Mirka kept the tool light, balanced, and ergonomic. The bare tool weighs only 1.5 lbs., and it comes in at just over two pounds with a battery installed, depending on battery choice. Add in the rubberized handle and you get a tool that is easier to manage in difficult positions, especially when you are working one-handed or reaching into areas where a heavier grinder would wear you out fast.\u003c\/p\u003e\n      \u003cp\u003eThis version is the kit, not the bare tool. MUS-FBS10 includes two 5.0Ah batteries and a charger. Mirka also notes that the same batteries are used across other Mirka cordless tools, including cordless sanders, polishers, and the Mirka ANGOS ARG-B cordless grinder. If you are already in that system, battery sharing is a real advantage. If not, this kit is the easier starting point because you are not buying the tool and then chasing power separately.\u003c\/p\u003e\n      \u003cp\u003eMirka added job-focused details that make sense for metalworking and repair environments, including an integrated LED light, a spark protection flap, open belt protection for quick abrasive belt changes, and Bluetooth connectivity through the myMirka app. The app-based features include vibration measurement, RPM range management, and belt speed monitoring. Bottom line: this is a specialized cordless belt sander for pros who need reach, control, and mobility for metal repair work, not a generic sanding tool trying to do everything.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails id=\"product-benefits\" class=\"acc\"\u003e\n    \u003csummary\u003e\u003ch2\u003eGet Into 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\/20260623228_1.jpg\" alt=\"Mirka FBS-B 10 cordless file belt sander side view showing the narrow belt arm for weld seam grinding and spot repair work in automotive metal restoration\" class=\"tnblock-img\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"copy\"\u003e\n          \u003cp\u003eThe narrow file belt format is what separates this tool from a standard sander or grinder. It is built to reach into seams, corners, and repair zones where bigger tools are clumsy or too aggressive.\u003c\/p\u003e\n          \u003cul\u003e\n            \u003cli\u003e.375 in. x 13 in. belt size is tuned for detail-focused grinding and sanding access\u003c\/li\u003e\n            \u003cli\u003eDesigned for body repairs, spot weld grinding, weld seam grinding, and restoration work\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 Hose Hassle\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\/20260623228_2.jpg\" alt=\"Mirka FBS-B 10 cordless file belt sander rear grip and control layout for cordless metal sanding and weld cleanup in workshop use\" class=\"tnblock-img\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"copy\"\u003e\n          \u003cp\u003eIf you are moving around a vehicle shell or working in a crowded fab area, cordless matters. The Mirka FBS-B 10 gives you the mobility of an air file without the hose drag and without needing compressed air production.\u003c\/p\u003e\n          \u003cul\u003e\n            \u003cli\u003ePowered by Mirka max 12V Li-Ion batteries for unrestricted movement\u003c\/li\u003e\n            \u003cli\u003eMUS-FBS10 includes two 5.0Ah batteries and charger for a ready-to-run setup\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 Control\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\/20260623228_3.jpg\" alt=\"Mirka FBS-B 10 cordless file belt sander detail showing belt arm, spark protection flap, and adjustment area for controlled sanding on automotive repair metal\" class=\"tnblock-img\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"copy\"\u003e\n          \u003cp\u003eThis tool is set up for control, not just raw removal. Speed buttons, a stepless trigger, LED lighting, and simple belt adjustment help you stay accurate when the repair area is small and the finish matters.\u003c\/p\u003e\n          \u003cul\u003e\n            \u003cli\u003eAdjustable RPM settings and stepless trigger support precise linear speed control\u003c\/li\u003e\n            \u003cli\u003eIntegrated LED light, spark protection flap, and open belt protection improve jobsite practicality\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 10 Cordless File Belt Sander\u003c\/li\u003e\n          \u003cli\u003e(2) 5.0Ah 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    \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\u003eTool Type\u003c\/th\u003e\n          \u003ctd\u003eCordless file belt sander\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eBelt Size\u003c\/th\u003e\n          \u003ctd\u003e0.375 in. x 13 in.\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eVoltage (Max)\u003c\/th\u003e\n          \u003ctd\u003e12V\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eBattery Capacity\u003c\/th\u003e\n          \u003ctd\u003e5.0Ah each\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eBattery Type\u003c\/th\u003e\n          \u003ctd\u003eLi-Ion\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\u003eWeight\u003c\/th\u003e\n          \u003ctd\u003e1.5 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      \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 the same Mirka cordless batteries shared with other Mirka cordless tools.\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 Tool System\u003c\/strong\u003e\n            \u003cdiv class=\"compat-detail\"\u003eCompatible across Mirka cordless sanders and polishers, and also 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\/connectivity.svg\" alt=\"connectivity\" class=\"icon-sm\"\u003e\n          \u003cdiv\u003e\n            \u003cstrong\u003eApp Connectivity\u003c\/strong\u003e\n            \u003cdiv class=\"compat-detail\"\u003eBluetooth support 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\"\u003eBody Repair\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003eVehicle Restoration\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003eSpot Weld Grinding\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003eWeld Seam Grinding\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003ePaint Removal\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003eMetalworking\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003eManufacturing\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 5.0Ah packs when you want longer runtime on repeated weld cleanup, but keep in mind Mirka also offers a lighter 2.5Ah battery for shorter detail work. If you are working overhead or in awkward positions, the lighter pack can make the tool easier to control.\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 10 Cordless File Belt Sander is built for metal repair guys who need reach, control, and mobility\u003c\/h3\u003e\n      \u003cp\u003eThis is the kind of specialized tool that saves time because it gets into places a regular grinder or wider sander simply cannot.\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eWho it's for:\u003c\/strong\u003e Auto body techs, restoration shops, and metal fabrication users doing spot weld removal, seam cleanup, and tight-access sanding.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eWhy it stands out:\u003c\/strong\u003e You get a brushless cordless setup, a narrow 3\/8 in. x 13 in. belt format, app connectivity, and a full kit with two 5.0Ah batteries and charger.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e This is a purpose-built repair tool, not a general bench sander. If your work lives in seams, edges, and repair patches, that is exactly why it makes sense.\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\u003eIs this a corded or cordless belt sander?\u003c\/strong\u003e It is a cordless file belt sander powered by Mirka Li-Ion batteries.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eWhat kind of work is it designed for?\u003c\/strong\u003e It is designed for body repairs, spot weld grinding, weld seam grinding, vehicle manufacturing, restoration work, and paint removal.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eDoes it use a brushless motor?\u003c\/strong\u003e Yes. Mirka specifies a brushless electric motor for long life and strong performance.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCan it connect to an app?\u003c\/strong\u003e Yes. Bluetooth connectivity works with the myMirka app for vibration measurement, RPM range management, and belt speed monitoring.\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":53385918710054,"sku":"MUS-FBS10","price":871.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/20260623228_1.jpg?v=1782171910","url":"https:\/\/www.toolnut.com\/products\/mirka-fbs-b-10-12v-3-8-in-x-13-in-cordless-file-belt-sander-5-0ah-kit-with-charger-mus-fbs10","provider":"Tool Nut","version":"1.0","type":"link"}