Voltage 220V power 150W 7500rpm motor speed 7500-8000 r / min 5Kg the whole weight of the machine is equipped with special copper fixtures and plastic clamp for 6-25mm wooden bead / beads punch with foot switch control switch lets you freely heart should improve the efficiency of work hand drill chuck can grip size drill chuck of the machine is made of ABS, ABS wear cut surface is smooth, high-grade raw material in automobile brakes, and therefore the chuck of the machine not only wear and prevents the wood clip flower beads pinch