3 pcs. 4mm Round Sharpening Chainsaw Files Bearing Steel Woodworking Saw Chain Sharpening Tool KitFeatures:* 4mm Round Sharpening Chain Saw Sharpening Files For Woodworking * Start filling by tightening the tension in the chain to firmly support and cutters files from the center of the knife * With sharp fangs, high hardness and wear resistance * It has a round shape, smooth fit and straight tang * Bearing steel, to use * Low noise and simple appearance * Specifications:* Material: Bearing steel * Color: As pictures show * Shank diameter: 4mm/0.2" (Approx.) * Chainsaw File Length: 200mm/7.9" (Approx.) * Quantity: 3pcsPackage Contents:3pcs Round Chainsaw FilesNote:The actual colors of the item may be slightly different from the pictures shown on website due to many factors, such as monitor brightness and light brightness.