Speed 0-22500opm (oscillations per minute) Sheet size 104mm2. Soft grip. Easy turn sanding plate, paper lasts 3 times longer. One handed operation. Unique micro filter system with integrated translucent box collects up to 85% of dust. Comes in carry case with 3 sanding sheets. Velcro fastening sheets. Manufacturer's 2 year guarantee. Exclusions: warranty does not cover professional use.