For use on 3/4" pitch chain and gauges. Oregon 5-3/4" grinding wheels can be used on a variety of popular grinders, including the following models: Efco FL136; Tilton TL6, TL136; Windsor A225; Zip-Penn/Laser 4K-420.
•OD: 5-3/4"
•Center Hole Diameter: 7/8"
•Thickness: 5/16" (7.9mm)