Power 150W Voltage 220V motor speed 7500rpm 7500-8000 rev / min machine weight 5Kg The machine is equipped with special copper clamps and plastic fixtures, for 6-25mm Beads / rosary punch with a foot switch freely control switch lets you should Xpress improve the efficiency of the work of the hand drill chuck can clamp size drill chuck of the machine made of ABS, ABS wearable cut surface is smooth, the raw material is high-grade automotive brake system, so chuck the machine is not only wear resistant and prevents the wood clip flower beads pinch