Goplus Portable Electric Chainsaw Sharpener Chain Blade Grinder 7500 RPM HD New Rated input power: 220W; Rated voltage/Frequency: 120V/60Hz No load speed: 7500 RPM Table/Vise angles:35 Degrees Right to Left Arbor diameter:10mm;Mounts to bench, wall, vise, and working table Overall dimensions:6.8"X12.5"X8.2";Wheel dimensions:3.9" Dia. X 1/8" Thick