UNIQUE DESIGN - These polishing sharpening files are made of high-quality emery particles and metal shaft shanks for effective grinding, hard texture, and durability for long-term use. That's why our bits last 20% than other non-titanium plated bits, so that's why you choose them. REUSABLE AND DURABLE CHAINSAW FILES ASSORTMENT - Quality diamond chainsaw sharpeners. design is made to last a long time sturdy and solid, not easy to break, deform or bend; their carving process is fine and the grinding effect is good, which is reusable to you for a long time. HIGH-SPEED CHAINSAW SHARPENER FAST WORK - This is a high-power chainsaw sharpening tool, which means that even sharpen the bluntest chain, you can see how quickly your sharpening work could be done just in a few minutes. And troublesome hand sharpening once and for all. This is a great replacement for a hand chain saw file/ sharpener. WIDE APPLICATION - This efficient chainsaw sharpener is the perfect for chainsaws. The polishing grinding tools can be widely applied in mechanical and metal polishing. Diamond stone files are suitable for welding seam grinding, burr grinding and different surfaces polishing, such as molds, jade, and wood, etc. HOME ASSISTANCE - Metal set sharpens the chain, protects the chain, makes work easier & than ever before. 3 sizes [5/32inch, 3/16inch, 7/32inch ] of wheels are provided which can help sharpen any of the chains out there. The highly efficient chainsaw sharpener makes it a unique and practical gift for fathers husbands and lumberjacks. Material:Metal colour:Gold Package Contents: 1 set x chainsaw sharpener 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.