DISMANTLING SURGICAL HANDPIECE HEXAGON CHUCKING SYSTEM Titanium Body with Scratch Resistant DURACOAT Cellular Glass Optics Push Button Chuck External and internal cooling (Kirschner and Meyer) Double Sealing System Max. Torque: 80 Ncm Max. Speed: 2;000 min-1 This handpiece is used only for the NSK Surgical Unit with torque calibration. (eg. Surgic Pro series) Hexagon chucking system Hexagon chucking system maintains high bur holding power at a high torque; enabling safe and stable operation. Can be used with regular burs as well.