DC-2-1"/MT1: CROWN DRIVE CENTRE 1" DIAMETER, MT1：Diameter of Head 25mm (1″)；Diameter of Body 28mm (1.1/8″)；Total Length 88mm；1 Morse Taper

DC-2-1"/MT2: CROWN DRIVE CENTRE 1" DIAMETER, MT2：Diameter of Head 25mm (1″)；Diameter of Body 28mm (1.1/8″)；Total Length 96mm；2 Morse Taper

DC-2-1/2"/MT1 : CROWN DRIVE CENTRE 1/2" DIAMETER WITH MT1：Diameter of Head 12mm (1/2″)；Diameter of Body 17mm (5/8″)；Total Length 86mm；1 Morse Taper 

DC-2-5/8"/MT2 : CROWN DRIVE CENTRE 5/8" DIAMETER, MT2