Features 【Selected Materials】This chainsaw file is made of superior bearing steel ,after elaborate Production process,it can be produced 【Characteristic】Chainsaw files sharpener has sharp fangs, high hardness and has strong wear resistance 【Structural Features】Universal chainsaw sharpener file has a round shape, smooth cut and straight tang 【Exquisite】When you use chainsaw field sharpening, Low noise and simple appearance 【Good Try】Start to fill by tightening the tension in the chain to firmly support and file cutters from inside out the cutter Specification:  Color: as picture shows 3 sizes for choosing: 4mm/4.8mm/5.5mm Shank Diameter (Optional): Approx. 4mm / 0.15"                           Approx. 4.8mm / 0.19"                        Approx. 5.5mm / 0.21" Chainsaw File Length: Approx. 200mm / 7.87" Quantity: 3pcs Package included:     3 x Round Chainsaw Files (files only) Package List