Features: 1. Wide Uses: The chainsaw sharpener is 87mm long with an inner diameter of 35x9.5mm, compatible with most types of chain saws and electric saws. 2. Simple to Use: Attach the clamp to the rod, position the pawl on the tooth, insert the burr into the guide bush, and turn the handle to begin sharpening. 3. Efficient: This chainsaw sharpening tool enables quick and consistent sharpening. Keep the chain and rails oiled to reduce friction and extend lifespan. 4. Sturdy Material: Constructed from aluminum alloy and tungsten steel for high strength, wear resistance, durability, and long-term performance. 5. Portable: The hand crank chainsaw sharpener is lightweight and easy to carry, ideal for outdoor use and helps protect hands during operation. Specifications: Item Type: Chainsaw Sharpener Material: Aluminum Alloy, Tungsten Steel Applicable Machines: Compatible with most types of chain saws and electric saws Length: Approx. 87mm (3.43in) Inner Diameter: Approx. 35x9.5mm (1.38x0.37in) Weight: Approx. 231g (8.15oz) Package List: 1 x Chainsaw Sharpener 1 x Hand Crank 3 x Grinding Head 1 x Hex Wrench 3 x Nut