Oregon 410-120 Bench or Wall Mounted Saw Chain Grinder Mounts to either a bench or a wall Sharpens up to .404" pitch chain Built-in light and one-way motor rotation for safe operation Easy to use adjustments Includes three grinding wheels for sharpening 1/4", 3/8" Low Profile, .325", .325, 3/8", .404" , 3/4" pitch chain and depth gauge grinding, a dressing brick and a quick template Longer nose life and better performance with a new sprocket nose system