Description: High carbon steel round chain saw file It has a round shape, smooth cut and straight tang Start filing by tightening the tension on chain to firmly support cutters and file from inside to outside of cutter 4.8mm round file suitable for 3/16" chains Shank Diameter: Approx. 4.8mm/ 0.19" Chainsaw File Length: Approx. 250mm/ 9.65" Size: Approx. 30x 6.5cm/ 11.81x 2.56inch Package Includes: 3 Pieces Round Chainsaw Saw Chain Files