Sharpen chain saw blades with these Dremel 3/16 inch chainsaw grind wheels. They are precision ground for great performance and feature an 1/8 inch Shank. Dremel attachments and Accys are designed to be just what you need to complete projects. For quick, easy sharpening of chain saw bladesPrecision groundChain saw sharpening stone.Compatible with 0.325 in. pitch chain saws.Having a sharp chainsaw blade improves chainsaw performance and safety.