With a variable speed of 5,000-32,000 rpm and a collet that is completely compatible with all 1/32" -1/8" shank accessories, the Milwaukee Electric Tool Corp. M12 Rotary Tool delivers thousands of cutting, grinding, sanding and polishing solutions. Featuring a high-performance motor design and RedLithium battery technology, this tool weighs 1.3 lbs. and is 9.5" in length. Two kits available: No. 2460-20 includes M12 Rotary Tool, 5 cutting wheels, mandrel and wrench; No. 2460-21 features the M12 Rotary Tool, an M12 Red Lithium battery, 5 cutting wheels, mandrel, wrench and 30-minute charger.