High-quality material: The chainsaw sharpener is made of high-quality aluminum alloy Strong, rust-proof, and portable. Adapt to different types of chainsaw chains. The precise positioning components that each chain link is precisely sharpened and your chainsaw always stays . The chainsaw sharpener can be used both indoors and outdoors, and is also a practical gift for friends and family! Say goodbye to tedious chainsaw sharpening with our easy chainsaw sharpening jig You attach the clamp to your saw guide using the three black buttons, insert the sharpening bar into the handle, and guide it through the blade using the designated holes. Adjust the position of the clamp to align precisely with the blade. Then, it only takes 3-5 seconds to turn the handle to sharpen the chain. Repeat this process for each blade and you'll have a perfectly sharpened chain in no time. Colour:As Shown Material:Aluminum Alloy Package Contents: 1 x Hand crank chain grinder 5 x grinding heads(with accessories) 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.