Milwaukee Electric Tool Has Developed A New Breed Of Rotary Tool By Leveraging Its Heritage In Straight and Die Grinders. The M12™ Cordless Lithium-Ion Rotary Tool Utilizes A Powerful 12 V Motor and Milwaukee'S Redlithium™ Battery Technology to Produce Unmatched Performance and Increased Run-Time. The Size and Versatility Of The M12™ Cordless Lithium-Ion Rotary Tool Make It An Indispensable Tool For Maintenance Contractors, Electricians, Plumbers, Remodelers and More. The Tool Runs From 5, 000-32, 000 RPM A