Sturdy and wear-resistant- The chainsaw grinder is made of high-quality aluminum alloy and is durable, durable and corrosion-resistant. Comfortable and easy to carry: This chain sharpener is small and light, easy to carry. This chainsaw sharpener is perfect for workshops and garages, as no disassembly is required. Precise chain sharpening: You don't need to remove the chain, just attach the chain sharpener to the electric saw and adjust it to the position of the chain to be sharpened. On the side of the chain sharpener there are gears that rotate to adjust the tension. to keep the chain teeth in the same position and ensure precise positioning. It can be sharpened by hand or with an electric drill. Save time and effort when sharpening the chain The chain does not need to be removed, easy to use. Every time you grind with your teeth, just turn the handle and you can grind without any problems. Precise sharpening to ensure that each tooth is restored. Note: The data are all measured manually, please allow an error of 1-3 cm. Due to differences in light and display, there may be color differences, please refer to the actual item received.