Combine the usefulness of a Mini Grinder with the convenience of no cords and you've got the ultimate in versatility. Everything you need in a handy carrying case including a variable speed 5,000-25,000 RPM, 9.6 volt Mini Grinder, charger, interchangeable flashlight base, and huge assortment of buffs, sanding discs and drums, grinding stones, mandrels, drill bits, wrench and spare collet. Collet size is 1/8".