Material: The chainsaw file is made of high-strength steel, the surface of the file is quenched at high temperature, with high strength and better wear resistance, the handle is made of ABS oil material, which is comfortable to hold, allowing you to better participate in the sharpening of the chainsaw, Help to improve the cutting efficiency of chainsaws. Design: The plastic handle can help you comfortably control this hacksaw file and also helps you reduce fatigue and bring you a comfortable using experience that can be used for hours, the large hole design on this plastic handle also makes it easier to hang. Suitable: This sharpening file can meet the needs of most people, suitable for chainsaws, small chainsaws, medium chainsaws, large chainsaws, perfect for woodworking and metalworking enthusiasts, perfect for home, garden, workshop, etc. Carpenter and DIY projects. . Size: total length 280mm, handle length 83mm, there are 3 different hole sizes, 4mm hole file is suitable for electric chainsaw, small chain saw, 4.8mm hole file is suitable for medium chain saw, hole diameter 5.5mm. The file is suitable for large chainsaws. Note: The data are all measured manually, please allow 1-3cm error due to differences in light and display, there may be color differences, please refer to the actual item received.