90W Electric Chain Sharpener Designed to be attached to a workbench, table, or wall in your garage or workshop. The working angle is adjustable from 0 to 35 degrees, adaptive to different chains and Sharpening depth. Equipped with a Sharpening speed of 5000 rpm and a powerful 90W motor. The chain clamp fits all types and pitches of chains. Precise sharpening angle adjustment of 35 degrees to the right or left. Compact and mountable on any workbench, wall, vise or table.