... . Measurement Radius: 0~150mm 4. Resolution: 0.001mm Model: ET-300H, ET-400H, ET-600HEasson tool presetter is intended for improving efficiency of ... user has many CNC machining center, he only needs one Et-400HR to do all workshop's presetting work. ♣ resolution 0 ... /BT50, HSK80/BT50, HSK100/BT50FunctionBT30/40/50,HSK63/80/100 ET-300H Mechanical Tool Preseting Machine