Foredom's chisel handpiece gives a power assist to carving in all types of wood, plastic, plaster and soft carving stone. This is a reciprocating "hammer" type handpiece that requires a light pressure to engage the hammering chisel action. It attaches to a foredom or other flex shaft with a standard key tip shaft. The handpiece has a unique, ruggedtextured plastic barrel and tapered aluminum tip.The chisel handpiece is recommended for use on the TX, LX, and SR (1/6hp) motors in forward rotation only. Use between 1,000 - 8,000 rpm. Comes with 6 pc. chisel set. #1 x 9mm chisel, #2 x 9mm right skew, #3 x 9mm sweep gouge, #7 x 8mm sweep gouge, #11 x 3.5mm sweep gouge, 70 x 5.5mm V parting tool. 6" long, 1" dia. wt. 4.6oz. 90 says warranty.