Working part: diamond, galvanic metal bone Handle part: Stainless steel Diamond grit size: Coarse; Standard; Fine; Extra-fine Diameter: 1. 6mm ±0. 01mm Different shape has different rotational speed. Apply to: Cavity preparation; Root canal preparation; Crown cutting; Removal of old filling; etc. Figure style: TF, TR, TC, FO, SF, SO, SR, EX, BR, BC, DI, SI, WR, TF, DF, FL, CR, CD, etc. MOQ (for each model): 10ctn/model (20boxes/ctn, 3pcs/box)