{"product_id":"mirka-12v-3-in-12mm-cordless-random-orbital-polisher-5-0ah-kit-with-2-batteries-and-charger-mus-arop312","title":"Mirka 12V 3-in. 12mm Cordless Random Orbital Polisher 5.0Ah Kit with 2 Batteries and Charger (MUS-AROP312)","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\u003eBrushless Cordless Power\u003c\/strong\u003e\u003c\/div\u003e\n        \u003cdiv class=\"feature-card\"\u003eThe brushless motor gives this cordless polisher strong output with lower maintenance than a brushed setup. You get the freedom to move around a vehicle or repair area without dragging a cord behind you.\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\/angle.svg\" alt=\"angle\" class=\"aplusicon\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv\u003e\u003cstrong\u003eBuilt for Spot Repair\u003c\/strong\u003e\u003c\/div\u003e\n        \u003cdiv class=\"feature-card\"\u003eThe 3 inch pad and 12 mm random orbit make the Mirka 12V Cordless 3 Inch 12mm Orbital Polisher Kit a good fit for smaller panels and correction work where a full-size machine is overkill. It is easier to control in tight areas and around contours.\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\u003eSpeed on Demand\u003c\/strong\u003e\u003c\/div\u003e\n        \u003cdiv class=\"feature-card\"\u003eA variable speed trigger lets you adjust output while you work instead of stopping to reset your approach. That matters when you need to ease into finishing passes or control heat on delicate surfaces.\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 12V Cordless 3 Inch 12mm Orbital Polisher Kit is a compact cordless polishing kit built for professional finishing and spot repair work. This is a cordless orbital polisher designed for spot repair, fine finishing, and controlled polishing on smaller surfaces. Model Number: MUS-AROP312. If you want a machine that is easier to handle than a full-size polisher but still gives you real correction capability, this is the lane it lives in.\u003c\/p\u003e\n    \u003cp\u003eMirka built this unit around a brushless motor, a 3 inch backing pad, and a 12 mm random orbit. In plain terms, that means you get a polishing action that is fast enough for efficient finishing while staying easier to manage on tight panels, edges, and smaller repair zones. The 12 mm orbit helps cover more area per pass than ultra-small throw tools, while the 3 inch size keeps it precise where a larger pad would feel clumsy.\u003c\/p\u003e\n    \u003cp\u003eThe biggest practical advantage here is mobility. Because it is cordless, you are not fighting cord drag when working around bumpers, pillars, rocker panels, or isolated repair sections. That matters in detailing, body shop correction work, and mobile finishing where the cord is often what slows you down. The tool is also described as light, nimble, and ergonomic, which is exactly what you want in a machine that may spend a lot of time in one hand during close-in polishing.\u003c\/p\u003e\n    \u003cp\u003eMirka also calls out high torque, optimal rpm, and a variable speed trigger. The benefit is better control while you work instead of a one-speed feel that forces you to adapt to the tool. You can stay lighter on initial passes, then bring speed in as needed for correction or refining. Low noise level is another real-world plus, especially in enclosed shops where tool noise adds up over a full day.\u003c\/p\u003e\n    \u003cp\u003eThis kit matters because it is not just the bare tool. MUS-AROP312 includes the orbital polisher, two 5Ah 12V lithium-ion batteries, and a charger, so you can put it to work without sourcing the power setup separately. That makes it a cleaner choice for buyers who want a ready-to-run cordless polishing kit instead of piecing together batteries and charging equipment afterward. Mirka also sells the tool separately as AROP312-B-NV, which helps clarify that this SKU is the complete kit version.\u003c\/p\u003e\n    \u003cp\u003eFor the right buyer, this is a very focused machine. It makes the most sense for automotive detailing professionals, paint correction specialists, and body shop users doing localized finishing or spot repair. Serious DIY users who care about control and quality will also appreciate it, but this is clearly aimed at people who want a purpose-built cordless random orbital polisher rather than a general-use buffer that tries 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\u003eControl Where Full-Size Polishers Feel Too Big\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\/20260623371_1.jpg\" alt=\"Mirka 12V Cordless 3 Inch 12mm Orbital Polisher Kit with charger and batteries for spot repair and fine finishing in an automotive detailing or body shop setup\" class=\"tnblock-img\"\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"copy\"\u003e\n        \u003cp\u003eThis kit is built for the kind of polishing work where size and control matter more than brute coverage. A compact cordless body and 3 inch backing pad make it easier to work smaller sections cleanly without overreaching onto surrounding areas.\u003c\/p\u003e\n        \u003cul\u003e\n          \u003cli\u003e12 mm random orbit balances finishing speed with manageable control\u003c\/li\u003e\n          \u003cli\u003eBrushless motor reduces maintenance and supports cordless efficiency\u003c\/li\u003e\n          \u003cli\u003eIncludes two 5Ah 12V lithium-ion batteries and a charger\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) Orbital Polisher\u003c\/li\u003e\n        \u003cli\u003e(2) 5Ah 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 Random Orbital Polisher\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBacking Pad Size\u003c\/th\u003e\n        \u003ctd\u003e3 in\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003eOrbit Size\u003c\/th\u003e\n        \u003ctd\u003e12 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\u003eVoltage\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\u003e5Ah each\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003eWeight (lbs)\u003c\/th\u003e\n        \u003ctd\u003e7.9 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\"\u003eUses the included 12V lithium-ion battery setup supplied with MUS-AROP312.\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\/charger-included.svg\" alt=\"charger-included\" class=\"icon-sm\"\u003e\n        \u003cdiv\u003e\n          \u003cstrong\u003eCharging System\u003c\/strong\u003e\n          \u003cdiv class=\"compat-detail\"\u003eKit includes a charger, so you do not need to buy charging equipment separately to start using the tool.\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\/diameter.svg\" alt=\"diameter\" class=\"icon-sm\"\u003e\n        \u003cdiv\u003e\n          \u003cstrong\u003ePad Size\u003c\/strong\u003e\n          \u003cdiv class=\"compat-detail\"\u003eBuilt around a 3 inch backing pad size for smaller-area polishing and repair work.\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 Detailing\u003c\/span\u003e\n      \u003cspan class=\"tag\"\u003eBody Shop Spot Repair\u003c\/span\u003e\n      \u003cspan class=\"tag\"\u003ePaint Correction\u003c\/span\u003e\n      \u003cspan class=\"tag\"\u003eFine Finishing\u003c\/span\u003e\n      \u003cspan class=\"tag\"\u003eMobile Polishing Work\u003c\/span\u003e\n      \u003cspan class=\"tag\"\u003eDIY \/ Hobbyist\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 polisher like this shines on isolated repairs and tighter vehicle sections. Keep your larger machine for broad panels, and use the AROP-B 312 when you need better pad control around edges, pillars, and small corrected areas.\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 product.\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 12V Cordless 3 Inch 12mm Orbital Polisher Kit for precise polishing work\u003c\/h3\u003e\n    \u003cp\u003eThis is the kind of cordless polisher that makes a lot of sense when a full-size machine feels like too much tool for the job.\u003c\/p\u003e\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWho it's for:\u003c\/strong\u003e Detailers, paint correction pros, and body shop users doing spot repair or finishing on smaller sections.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWhy it stands out:\u003c\/strong\u003e You get a brushless motor, a useful 12 mm orbit, and a compact 3 inch platform in a ready-to-run kit with two batteries and a charger.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e This is a focused polishing tool, not a one-machine answer for every panel size, so it is best when paired with the right expectations and the right work.\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 polisher?\u003c\/strong\u003e It is a cordless orbital polisher powered by 12V lithium-ion batteries.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWhat size pad does it use?\u003c\/strong\u003e It uses a 3 inch backing pad.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWhat kind of motor does it have?\u003c\/strong\u003e The source data lists a brushless motor.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWhat type of work is it best suited for?\u003c\/strong\u003e Mirka specifically positions it for spot repair and fine finishing where a smaller, easier-to-control polisher is the better fit.\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":53385922707750,"sku":"MUS-AROP312","price":1015.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/20260623371_1.jpg?v=1782171911","url":"https:\/\/www.toolnut.com\/products\/mirka-12v-3-in-12mm-cordless-random-orbital-polisher-5-0ah-kit-with-2-batteries-and-charger-mus-arop312","provider":"Tool Nut","version":"1.0","type":"link"}