Features:* The sharpening head of the electric saw is easy to install and has good heat dissipation. Can be applied to the polishing compound without removing the chain and thus improves work efficiency.* Use with an electric sure sharp hand grinder to easily sharpen your chainsaw* The newest, strongest titanium diamond wheels ever produced have been coated with titanium, which means you can enjoy 20% longer life than other non-nickel titanium bits.* These stones have an excellent cutting edge for your chainsaw and can be easily replaced with most electric chainsaw carding sharpeners* Perfect for sharpening your chainsaw teeth. technical:* Material: titanium coated emery grains, emery grains* Shank size: 2.35mm* Optional point size: 3/4/5/6mm* Total length: 41mm* Number of grains: 120 #* Package: 20pcs/pack Package content: 20 Diamond Milling Cutter Tooth Grinding Note:1. The real color of the item may be slightly different from the pictures shown on website due to many factors such as brightness of your monitor and light brightness.2. Please allow slight differences in manual measurement for the data.