Chainsaw Sharpener Kit Material: emery plating, anti-rust, wear resistance, high hardness, these are specially designed for chainsaws and steel, with long service life. Chainsaw Sharpener : The diamond grinding wheel is titanium-plated. These drill bits have a long service life and easy to operate. Diamond particles on the drill bits uniform wear-. Chain Saw Easy to Use: These drill bits are specially designed for electric chain saw. polished without disassembling the chain, reducing the number of replacements improving work efficiency. Diamond Chainsaw Wide Application Range: There are 3 sizes of our diamond drill bits, which are suitable for chain saws of different sizes. can also be used for mold making and metal polishing. Chain Saw Sharpening Stone Content: 18 pieces of diamond drill bits in 3 sizes, 6 pieces of 5/32', 6 pieces of 3/16inch, 6 pieces of 7/32inch , which can meet your daily use and replacement needs. Material:Emery colour:Gold Package Contents: 18 x Diamond Chainsaw Sharpener 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.