{"product_id":"mirka-aros-b-350-12-v-3-in-5-mm-cordless-random-orbital-sander-5-0ah-kit-with-2-batteries-and-charger-mus-aros350","title":"Mirka AROS-B 350 12 V 3-in. 5 mm Cordless Random Orbital Sander 5.0Ah Kit with 2 Batteries and Charger (MUS-AROS350)","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\u003eCut the Cord\u003c\/strong\u003e\u003c\/div\u003e\n        \u003cdiv class=\"feature-card\"\u003eThe cordless setup gives you full mobility for spot repair, body work, and post-paint sanding without dragging an air hose or power cord around finished 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-Fatigue Control\u003c\/strong\u003e\u003c\/div\u003e\n        \u003cdiv class=\"feature-card\"\u003eLow vibration and a lightweight body make it easier to keep the pad flat and the finish consistent during detail sanding and longer prep sessions.\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\u003eCompact Detail Sander\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 small-area sanding where larger sanders feel clumsy.\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 AROS-B 350 3 in 12V 5mm Sander with Batteries and Charger is a cordless random orbital sander built for mobile finish prep, spot repair, and small-area surface correction. This is a cordless random orbital sander designed for detail sanding, paint prep, and localized finishing work. Model Number MUS-AROS350. If you need a compact sander that moves easily around a vehicle, panel, or tight work zone, this setup is aimed right at that job.\u003c\/p\u003e\n    \u003cp\u003eThe core of this tool is a 3 inch (77 mm) backing pad paired with a 5 mm orbit. That combination matters because it gives you enough movement for efficient material removal on small sections without stepping up to a larger machine that can be awkward on curves, edges, and repair areas. For body shop work, refinishing, and post-paint correction, that smaller pad size helps you stay precise while still keeping the sanding pattern consistent.\u003c\/p\u003e\n    \u003cp\u003eMirka built this unit around a brushless 12 VDC motor, which is a practical choice for a cordless finishing tool. A brushless motor typically means less maintenance, efficient battery use, and smoother power delivery. On a tool like this, that translates into better control during delicate sanding steps where you do not want sudden surges or extra vibration working against the finish.\u003c\/p\u003e\n    \u003cp\u003eOne of the bigger selling points here is mobility. The Mirka AROS-B 350 is meant for jobs where a hose or cord gets in the way, especially when you are moving around a vehicle, working inside a booth, or handling quick correction work from panel to panel. That freedom is useful for technicians who do not want to stop and reposition support equipment every few minutes just to reach the next area.\u003c\/p\u003e\n    \u003cp\u003eMirka also calls out low vibration and an ergonomic design, and those details matter more than they sound on paper. A small sander gets used close to the work surface, often for careful blending or prep, so comfort and control are tied directly to finish quality. Lower vibration helps reduce hand fatigue and makes it easier to keep the pad planted evenly instead of tipping the tool and creating uneven scratch patterns.\u003c\/p\u003e\n    \u003cp\u003eFor real-world shop conditions, this sander is sealed against dust and water and is designed for both dry and wet sanding tasks. That makes it more practical in automotive refinishing and other environments where dust control, slurry, and repeated cleanup are part of the routine. It is not just about durability on the bench. It is about having a tool that holds up when the work gets messy.\u003c\/p\u003e\n    \u003cp\u003eSystem support is another strong point. This sander is compatible with Mirka cordless tool batteries and with the myMirka app, which makes it a better fit for users already working in the Mirka ecosystem. If your shop already leans on Mirka abrasives, dust extraction, and surface-finishing gear, this tool drops into that workflow without feeling like a one-off purchase.\u003c\/p\u003e\n    \u003cp\u003eWho should buy it? This is a smart pick for auto body technicians, refinishers, paint correction specialists, and anyone doing detailed sanding where size, mobility, and finish control matter more than brute coverage. If your work is mostly large flat panels all day, a bigger sander may be the better primary tool. If your jobs involve spot repairs, tight zones, and moving fast without cords, this one makes a lot of sense.\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 Sanding for Repair 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\/20260623072_1.jpg\" alt=\"Mirka AROS-B 350 3 in 12V 5mm Sander with Batteries and Charger kit with compact random orbital sander, two batteries, and charger for mobile automotive sanding and surface prep\" class=\"tnblock-img\"\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"copy\"\u003e\n        \u003cp\u003eThis kit is built around mobility. The compact cordless sander, paired with two batteries and a charger, gives you a ready-to-work setup for small repair zones, post-paint work, and detail sanding where fast movement matters.\u003c\/p\u003e\n        \u003cul\u003e\n          \u003cli\u003e3 inch backing pad helps you work accurately on smaller surfaces and tighter areas\u003c\/li\u003e\n          \u003cli\u003e5 mm orbit balances finish quality and material removal for prep and blending work\u003c\/li\u003e\n          \u003cli\u003eIncludes two 5 Ah batteries and a charger for a complete cordless sanding kit\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 AROS-B 350 cordless random orbital sander\u003c\/li\u003e\n        \u003cli\u003e(2) 5 Ah 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\u003eVoltage (V)\u003c\/th\u003e\n        \u003ctd\u003e12 VDC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003ePad 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\u003ePower Source\u003c\/th\u003e\n        \u003ctd\u003eCordless battery\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBattery Capacity\u003c\/th\u003e\n        \u003ctd\u003e5 Ah each\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003eWeight (lbs)\u003c\/th\u003e\n        \u003ctd\u003e7.7 lbs\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003eMade In\u003c\/th\u003e\n        \u003ctd\u003eGermany\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\"\u003eCompatible with Mirka cordless 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=\"icon-sm\"\u003e\n        \u003cdiv\u003e\n          \u003cstrong\u003eConnected Features\u003c\/strong\u003e\n          \u003cdiv class=\"compat-detail\"\u003eWorks with the myMirka app as part of Mirka's connected sanding ecosystem.\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\u003eSanding Setup\u003c\/strong\u003e\n          \u003cdiv class=\"compat-detail\"\u003eUses a 3 inch backing pad format suited to small-area sanding and refinishing tasks.\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\"\u003eAuto Body Repair\u003c\/span\u003e\n      \u003cspan class=\"tag\"\u003eRefinishing\u003c\/span\u003e\n      \u003cspan class=\"tag\"\u003ePost-Paint Sanding\u003c\/span\u003e\n      \u003cspan class=\"tag\"\u003eSpot Repairs\u003c\/span\u003e\n      \u003cspan class=\"tag\"\u003eWet Sanding\u003c\/span\u003e\n      \u003cspan class=\"tag\"\u003eDry Sanding\u003c\/span\u003e\n      \u003cspan class=\"tag\"\u003eDetail Surface Prep\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\"\u003eA 3 inch random orbital sander like this works best when you let the pad stay flat and do not force it into tight curves. On spot repairs, feather the edge with light pressure and use the smaller pad to control the blend instead of trying to remove material faster by leaning on the tool.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails id=\"product-warranty\" class=\"acc\"\u003e\n  \u003csummary\u003e\u003ch2\u003eWarranty \u0026amp; Support\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003cdiv class=\"warranty-row\"\u003e\n      \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/warranty.svg\" alt=\"warranty\" class=\"icon-sm\"\u003e\n      \u003cdiv class=\"warranty-text\"\u003e\n        No manufacturer's warranty is listed in the source data for this model.\n      \u003c\/div\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 in 12V 5mm Sander with Batteries and Charger is built for detail work, not bulk sanding\u003c\/h3\u003e\n    \u003cp\u003eIf your day involves spot repairs, paint prep, and small sections where cords just slow you down, this is the kind of cordless sander that earns its keep fast.\u003c\/p\u003e\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWho it's for:\u003c\/strong\u003e Auto body techs, refinishers, and detail-focused users who need a compact sanding tool for localized work.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWhy it stands out:\u003c\/strong\u003e The combination of cordless freedom, a brushless 12V platform, low-vibration control, and a 3 inch pad makes it genuinely useful where bigger sanders feel oversized.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e This is a precision and mobility play. If you need to cover large panels all day, keep a larger primary sander in the lineup.\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 tool 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. Source data states it is designed for both dry and wet sanding tasks.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eIs it part of the Mirka cordless system?\u003c\/strong\u003e Yes. It is compatible with Mirka cordless tool batteries and works with the myMirka app.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWhat pad size does it use?\u003c\/strong\u003e It uses a 3 inch (77 mm) backing pad, which is well suited to smaller work areas and detail sanding.\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":53385917563174,"sku":"MUS-AROS350","price":960.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/20260623072_1.jpg?v=1782171892","url":"https:\/\/www.toolnut.com\/products\/mirka-aros-b-350-12-v-3-in-5-mm-cordless-random-orbital-sander-5-0ah-kit-with-2-batteries-and-charger-mus-aros350","provider":"Tool Nut","version":"1.0","type":"link"}