Modname ckeditor =Specification:Blank New Material: Non-woven Ceramic Grinding Wheel Diameter (Approx.): 105mm Bore Diameter (Approx.): 22.2mm Thickness (Approx.): 4.5mm Fit for: 3/8" & 404 Chain (Depends on the Machine) Easy to Install & Operate Non-woven Ceramic Grinding Wheel, Durable Application: For Cutting & Polishing Chain Edge, Such as Mill Chain, Gasoline Saw & ChainsawPackage Included:5 x Grinding WheelNotes:Make Sure, that the grinding disc is well installed on the machine and wear safety goggles before use. Please allow slight error due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Payment1) we accept Alipay, West Union, TT. All major credit cards are accepted through the payment processor's secure escrow.2) payment must be made within 3 days of placing the order.3) if you are unable to check out immediately after the listing ends, please wait a few minutes and try again, payments must be completed within 3 days. Shipping1.