This Mini Grinder kit does it all! Not only do you get a 8,000 35,000 RPM variable speed mini grinder, you also get a 42" long flexible tool shaft with hand piece for power carving. Other features include a mini router base, interchangeable flashlight base, telescoping tool holder with clamping base and a whole assortment of buffs, sanding discs and drums, grinding stones, mandrels, drill bits, wrench and spare collet in a convenient carrying case. Collet size is 1/8".