ModelGS-712sanding range0~100(W) x 295(H) mmsanding motor2 HPfeed driven motor1/8 HPspindle speed50HZ 580/830/1250/1900 RPMsanding belt speed180/260/390/580 M/minfeed speed5~20 M/minsponge wheel sizeØ25.4 x Ø100 x 305(L) mmsanding belt size305(W) x ...