Voltage:220-240V~50/60Hz Input power:130W No-load speed:10000-30000rpm Variable Speed Diameter of collet: 3.2mm With 1 pc flexible shaft With 52pcs accessories

Voltage:220-240V~50/60Hz Input power:373W No-load speed:2950rpm Wheel diameter: 150mm Wheel thickness: 15-17mm Grinder wheel speed: 35m/s