For use on the following chain types: 1/4", .325" (Oregon 33, 34 & 35 chains only); Mini 3/8" LP (Oregon 90 & 91 chains only). 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: 1/8" (3.2mm)