Powerful motor, 600W in power input ·Dustproof washer on all ball bearing, for protecting from the grinding dust ·Pad brake allows the tool to start sanding without making any mark on the workpiece Product Specifications: •Voltage: 220V/60 Hz •Power: 600 Watts •Wheel diameter: 100mm (4") •No-load speed: 12,000rpm •Net Weight: 1.8kg (3.9 lbs.) Inclusions: •Grinding Disc for Metal •Cut Off Wheel for Metal •Side Handle •Lock Nut Wrench