Chainsaw Sharpener Kit Material: high-quality emery plating, surface anti-rust, wear , high hardness, these are specially designed for chainsaws and steel, with long service life. Chainsaw Sharpener Durable: 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-resistant. 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 surface 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.