{"product_id":"mirka-12-v-3-in-5-mm-cordless-random-orbital-sander-tool-only-aros350-b-nv","title":"Mirka 12 V 3-in. 5 mm Cordless Random Orbital Sander, Tool Only (AROS350-B-NV)","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\"\u003eNo air hose and no power cord means easier movement around vehicles, panels, and repair areas. That matters when you are doing spot work and do not want a line dragging across fresh surfaces.\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\/anti-vibration.svg\" alt=\"anti-vibration\" class=\"aplusicon\"\u003e\n          \u003c\/div\u003e\n          \u003cdiv\u003e\u003cstrong\u003eLow-Vibration Control\u003c\/strong\u003e\u003c\/div\u003e\n          \u003cdiv class=\"feature-card\"\u003eThe low-vibration design helps reduce user fatigue during repetitive sanding. You stay steadier longer, which is exactly what you want when feathering edges or cleaning up small repair zones.\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\/sander.svg\" alt=\"sander\" class=\"aplusicon\"\u003e\n          \u003c\/div\u003e\n          \u003cdiv\u003e\u003cstrong\u003eBuilt for Fine Work\u003c\/strong\u003e\u003c\/div\u003e\n          \u003cdiv class=\"feature-card\"\u003eThis Mirka cordless random orbital sander uses a 3 inch backing pad and 5 mm orbit, which makes it a strong fit for spot repairs, post-paint sanding, and tight-area finishing where a full-size sander is overkill.\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\" open\u003e\n    \u003csummary\u003e\u003ch2\u003eOverview\u003c\/h2\u003e\u003c\/summary\u003e\n    \u003cdiv class=\"acc-body\" data-product-summary\u003e\n      \u003cp\u003eThe \u003cstrong\u003eMirka AROS-B 350 3\" 12V 5mm Sander w\/o Batt\/Charger\u003c\/strong\u003e, model \u003cstrong\u003eAROS350-B-NV\u003c\/strong\u003e, is a cordless random orbital sander built for mobility, control, and finish work in smaller repair areas. This is a \u003cstrong\u003ecordless random orbital sander designed for spot repairs, body-in-white sanding, and post-paint applications\u003c\/strong\u003e. If you need a compact sanding tool that moves easily around a vehicle or workpiece without a hose or cord getting in the way, this is the kind of machine that makes sense.\u003c\/p\u003e\n      \u003cp\u003eThe combination of a \u003cstrong\u003e3 inch (77 mm) backing pad\u003c\/strong\u003e and \u003cstrong\u003e5 mm orbit\u003c\/strong\u003e tells you where this tool fits. It is sized for localized work rather than large panel sanding, and the orbit is suited to efficient material removal while still keeping the tool controllable for finish-sensitive applications. That makes it a practical choice for technicians doing blend areas, small defect correction, prep between coating steps, or repair work where accuracy matters more than covering a huge surface fast.\u003c\/p\u003e\n      \u003cp\u003eMirka builds this unit around a \u003cstrong\u003ebrushless 12 VDC motor\u003c\/strong\u003e, which is the right call for a cordless sander meant for regular professional use. Brushless design helps with efficiency, run time, and reduced maintenance compared to brushed systems. Just as important, the tool is described as \u003cstrong\u003elightweight and ergonomic\u003c\/strong\u003e, which matters on a sander more than people think. A compact sanding tool that is awkward to hold gets old fast. A compact sanding tool that stays balanced and easy to guide gives you better control at the edge of a repair.\u003c\/p\u003e\n      \u003cp\u003eOne of the bigger selling points here is Mirka's focus on \u003cstrong\u003elow-vibration sanding\u003c\/strong\u003e. That is not just a comfort feature. Lower vibration helps reduce hand fatigue during repetitive sanding passes and can make it easier to keep a more even scratch pattern when working on visible surfaces. For post-paint correction and repair prep, that kind of control is worth paying attention to because it affects both finish quality and how long you can work efficiently.\u003c\/p\u003e\n      \u003cp\u003eThis sander is also built for real shop conditions. Mirka specifies \u003cstrong\u003esealed protection against dust and water\u003c\/strong\u003e, and it is rated for \u003cstrong\u003eboth dry and wet sanding tasks\u003c\/strong\u003e. That broadens where the tool can be used and helps protect the internal components in dirty sanding environments. For automotive and refinishing work, where dust is constant and wet processes are common, that is a practical feature instead of a brochure bullet.\u003c\/p\u003e\n      \u003cp\u003eOn the system side, the Mirka AROS-B 350 3\" 12V 5mm Sander w\/o Batt\/Charger works with \u003cstrong\u003eMirka power tool batteries\u003c\/strong\u003e and connects with the \u003cstrong\u003emyMirka app\u003c\/strong\u003e. That gives users already in the Mirka ecosystem an easier way to keep tools on the same platform rather than mixing battery systems. It is worth noting that this \u003cstrong\u003eAROS350-B-NV\u003c\/strong\u003e version is sold \u003cstrong\u003ewithout battery and charger\u003c\/strong\u003e, so it is best suited for buyers who already own compatible Mirka 12V power tool batteries or who intentionally want to build a custom setup.\u003c\/p\u003e\n      \u003cp\u003eWho should buy it? This is a smart fit for \u003cstrong\u003eautomotive refinish techs, collision repair shops, detail-oriented paint correction users, and professionals doing small-area sanding where mobility matters\u003c\/strong\u003e. It also makes sense for serious users who want a dedicated compact sander instead of forcing a larger tool into tight work. If most of your sanding is on broad flat panels, you will probably want a larger machine for production speed. If your work is precise, localized, and finish-sensitive, this AROS-B is right in its lane.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails id=\"product-benefits\" class=\"acc\"\u003e\n    \u003csummary\u003e\u003ch2\u003eCompact Size for Spot Work\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\/20260623043_1.jpg\" alt=\"Mirka AROS-B 350 3 inch 12V 5mm sander positioned for small-area sanding and repair work in automotive refinishing and post-paint applications\" class=\"tnblock-img\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"copy\"\u003e\n          \u003cp\u003eThe smaller pad size gives this sander a real advantage when you are working inside a localized repair instead of trying to manage a larger machine. It is easier to keep the sanding area where you want it, especially around blends, edges, and confined sections.\u003c\/p\u003e\n          \u003cul\u003e\n            \u003cli\u003e3 inch (77 mm) backing pad is sized for targeted sanding and repair work\u003c\/li\u003e\n            \u003cli\u003e5 mm random orbital action balances control with efficient sanding performance\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\u003eBuilt for Shop Conditions\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\/20260623043_5.jpg\" alt=\"Mirka AROS-B 350 3 inch 12V 5mm sander backing pad and hook-and-loop surface for sanding disc attachment in dry or wet finishing work\" class=\"tnblock-img\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"copy\"\u003e\n          \u003cp\u003eThis tool is designed to keep working in the kind of dusty environment sanders live in every day. Sealed protection against dust and water, plus support for wet and dry sanding, makes it more useful in real refinishing workflows instead of only in ideal conditions.\u003c\/p\u003e\n          \u003cul\u003e\n            \u003cli\u003eSealed protection against dust and water helps support durability\u003c\/li\u003e\n            \u003cli\u003eSuitable for both dry sanding and wet sanding tasks\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-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 random orbital sander\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eVoltage (V)\u003c\/th\u003e\n          \u003ctd\u003e12 VDC\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eBacking Pad Size\u003c\/th\u003e\n          \u003ctd\u003e3 in. (77 mm)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eOrbit Size\u003c\/th\u003e\n          \u003ctd\u003e5 mm\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\u003eSanding Method\u003c\/th\u003e\n          \u003ctd\u003eDry and wet sanding\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eConnectivity\u003c\/th\u003e\n          \u003ctd\u003emyMirka app compatible\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eBattery Included\u003c\/th\u003e\n          \u003ctd\u003eNo\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=\"aplusicon\"\u003e\n          \u003cdiv\u003e\n            \u003cstrong\u003eBattery Platform\u003c\/strong\u003e\n            \u003cdiv class=\"compat-detail\"\u003eCompatible with Mirka power tool batteries.\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=\"aplusicon\"\u003e\n          \u003cdiv\u003e\n            \u003cstrong\u003eApp Connectivity\u003c\/strong\u003e\n            \u003cdiv class=\"compat-detail\"\u003eWorks with the myMirka app for users already operating within the Mirka tool ecosystem.\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 Refinishing\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003eCollision Repair\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003eSpot Repairs\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003eBody-in-White Sanding\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003ePost-Paint Applications\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003eDetail Sanding\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=\"aplusicon\"\u003e\n        \u003cp class=\"tip-text\"\u003eA 3 inch cordless sander like this shines when you keep it dedicated to localized repairs and blend areas instead of asking it to cover full panels. If you already run Mirka batteries, the bare-tool setup is the cleaner buy.\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 AROS-B 350 3\" 12V 5mm Sander w\/o Batt\/Charger is a specialist tool, and that is a good thing\u003c\/h3\u003e\n      \u003cp\u003eThis is the kind of compact cordless sander that makes a lot of sense when your work is precise, repetitive, and finish-sensitive.\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eWho it's for:\u003c\/strong\u003e Automotive refinish techs, collision repair shops, and serious users handling spot repairs and post-paint sanding.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eWhy it stands out:\u003c\/strong\u003e Cordless mobility, low-vibration design, wet or dry sanding capability, and a compact 3 inch format that is easier to control in small work zones.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e This is the bare-tool version, so battery and charger are not included. Great if you are already on Mirka batteries, less ideal if you are starting from scratch.\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 sander is this?\u003c\/strong\u003e It is a cordless random orbital sander designed for spot repairs, body-in-white sanding, and post-paint applications.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCan it be used for wet sanding?\u003c\/strong\u003e Yes. Mirka specifies that it is suitable for both dry and wet sanding tasks.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eDoes it use a brushless motor?\u003c\/strong\u003e Yes. The Mirka AROS-B 350 uses a brushless 12 VDC motor.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eDoes it connect to the myMirka app?\u003c\/strong\u003e Yes. The product is listed as compatible with 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":53385916875046,"sku":"AROS350-B-NV-MIRKA","price":570.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/20260623043_1.jpg?v=1782171894","url":"https:\/\/www.toolnut.com\/products\/mirka-12-v-3-in-5-mm-cordless-random-orbital-sander-tool-only-aros350-b-nv","provider":"Tool Nut","version":"1.0","type":"link"}