For use on the following chain types: .325" (Oregon 20, 21, 22 & 95 chains only); 3/8" (all except Oregon #90 & 91 chains); .404". 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: 3/16" (4.8mm)