Hitachi GP10DL. Features: Variable-speed dial allows the user to control the ideal speed from 5000 to 35,000 RPM. 12V 1.5 Ah Lithium-Ion battery for longer total battery life, lighter weight and a steady level of power throughout the charge. 1/8 in. collet capacity makes it compatible with most 1/8 in. rotary tool accessories. Compact and lightweight at a mere 8-3/16 in. in length, and 1.06 lbs. to fit in tight spaces. Built-in white LED light for superior visibility even in the darkest of work spaces. Innovative anti-vibration system for increased comfort and total control. Slim soft grip handle increases comfort and reduces fatigue. Low battery indicator light warns the user when run time is getting low. Short charge time that takes just 40 minutes, allowing for more productivity. Hanger hook.