3Pcs Round Chainsaw Chain Sharpening Files 4mm 5/32in Lawn Mower Trimmer Accessories Features: This round chainsaw file, simple design, high hardness, can be used for a long time. It is made of material, durable, wear-resistant and corrosion-resistant. Professional manufacturing, exquisite workmanship, excellent quality, is the perfect mower accessories. It can make the chain saw sharper, improve the working efficiency of the chain saw, and prolong the service life of the chain saw. This product is mainly suitable for chain saw of lawn mower, and its use method is simple. Specification: Condition: Material: Bearing Steel Weight: Approx. 71g / 2.5oz Size: Diameter: Approx. 4mm / 0.2in Length: Approx. 25cm / 9.8in Package List: 3 x Chain Saw Files Note: 1.Please allow 0-1 inch error due to manual measurement. Thanks for your understanding. 2.Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.