DIMENSIONS：The dimensions of the chainsaw chain are: file length 25 cm, diameter 4.8 mm, professional product QUALITY：The sharpening chain has a first handle made of polypropylene with a second handle for convenience and precision in sharpening Sharpen chainsaw blades designed to sharpen at different angles, recommended for angled cuts from 30 to. and 35 FEATURES：The chain sharpener was developed to accurately sharpen 0.325" chains. The tool also features steel bearings Recommended for:< /p> sharpen 0.325" chains Sharpen 30ha angles. and 35 ha The saw blade sharpener is a professional product for chain grinding with high quality, optimized for more precise driving, it helps to improve the work efficiency of the chainsaw. Both sides of the whetstone are easy to use, without accidentally damaging your finger. Quickly and easily sharpen any chain, it can make your cutting chain better. You can try this. Tips for use: Rub back and forth manually on the sharpening to make the chain smooth