Description 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 12V 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 and is managed by a variable speed dial for fluid control. The collet is completely compatible with all 1/32" -1/8" shank accessories providing the user access to thousands of cutting, grinding, sanding and polishing solutions.