24pcs chainsaw sharpening bits kit, includes 3 sizes grinding head diameter:5/32 inch, 3/16 inch, 7/32 inch. Each size is 8pcs, Total length:1.77 inch, Shank diameter: 3mm. portable and enough to meet your daily needs. Applicable to various specifications:5/32 inch grinding head electric chain saws and other small blade,3/16 inch small oil chain saws; 7/32 inch large oil chain saws. Which are suitable different saw blade wheels,Convenient daily use and replacement. Wide Application: Used grinding and polishing chainsaw chains, also ideal grinding and engraving jade,glass,ceramics,stone,wood etc. Ease of Use: These bits are easy to install and replace in 2 steps. Besides, these titanium-plated files are harder and sharper, which reduces the number of times you have to replace it. Sturdy material: Made of quality emery grain good polishing effect and uniform carving. Rust and wear resistant, sturdy yet lightweight.The surface titanium plating process is used to make the diamond grit harder and more wear-resistant. Colour: Material: Metal Package Contents: 24 x sharpening bits Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.