Features Versatile Compatibility With the blade diameter of 4.8 mm and the blade length of 17 mm, the bits are suitable for various chainsaw types, including small oil saws 325 and large 8 chain. Premium Material The sand ensures efficient and precise sharpening, allowing you to effortlessly maintain the sharpness and cutting performance of your chainsaw. Easy to Use The chainsaw drill bit features a shank diameter of 6mm, which ensures a secure and stable fit for easy sharpening. Simply attach the drill to your chainsaw and sharpen the saw blades easily. HIGH PERFORMANCE The thread design and M5 thread diameter further improve the stability and compatibility of the drill. Thanks to its user-friendly design, the tool is suitable for both professionals and beginners. PRACTICAL TOOL Whether you are a professional lumberjack or a DIY enthusiast, this chainsaw sharpening tool is a must to maintain the sharpness and cutting power of your chainsaw. Specification: Item Type:Chainsaw Sharpener Bits Material: sand. Blade diameter: approx. 4.8 mm / 0.18 inches. Blade length: approx. 17 mm / 0.66 inches. Shaft diameter: approx. 6 mm / 0.23 inches. Thread diameter: M5 Total length: approx. 48 mm / 1.88 inches. Applicable chains: fit for small oil saw 325, large 8 chain Package list: 5 x chainsaw sharpener bits. 2 x nuts. 1 x wrench Package List 5 x Chainsaw Sharpener Bits 2 x Nuts 1 x Wrench