Wide Application: Used for grinding and polishing chainsaw chains, also ideal for grinding and engraving jade,glass,ceramics,stone,wood etc. 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 . Applicable to various specifications:5/32 inch grinding head for electric chain saws and other small blade,3/16 inch for small oil chain saws; 7/32 inch for large oil chain saws. Which are suitable for different saw blade wheels,Convenient for daily use and replacement. Ease of Use: These bits are easy to install and replace in 2 steps. Besides, these titanium-plated files are harder and , which reduces the number of times you have to replace it. Sturdy material: Made of quality emery grain for good polishing effect and uniform carving. Rust and wear , sturdy yet .The titanium plating process is used to make the diamond grit harder and more wear-., Weight: 0.21274608283 pounds, Manufacturer: Gosera