[Strudy&]The Chainsaw Sharpeners are made of hardest titanium-plated diamond wheel, not easy to break. You don't have to replace it often, 3 sizes of wheels are provided which can help sharpen any of the chains out there. [Easy to Use ]The chain saw sharpeners are easy to install and can be polished without removing the chain and no replacement parts needed. Let's simplify your sharpening work with this helpful . [Sharpen on the Spot] This sharpener is very quick and the chain does not have to come off the saw to sharpen and does no damage to the bar or saw. Could turn a 20 minute process of changing out chains into less than 5 minutes of re-sharpening the chain already on the bar. [Fast Result ] This is a fast efficient sharpening tool, which means that even sharpen the bluntest chain, and troublesome hand sharpening once and for all. This is a great replacement for hand chain saw file/ sharpener. [Perfect Sharpener]It sharpen the chain, protects the chain, makes work easier and than ever before.It's efficient chainsaw sharpener is the perfect companion for chainsaws. And the exquisite packaging makes it a and practical gift for father husband and logger. Material: Titanium Coated Emery Granules colour: gold Package Contents: 18 x Diamond Chainsaw Sharpeners (6pcs each for 5/32 inch, 3/16 inch, 7/32 inch) Only the above package content, other products are not included. Note: Light 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.