1. Efficient Chainsaw Sharpener The cylindrical milling pin for chainsaws has excellent heat dissipation and allows the application of polishing agents without chain removal, which significantly improves work efficiency. It ensures precise finishing of the saw chain and comes with 6 replacement grinding stones, including gold and silver stones. 2. Improved DurabilityOur latest titaniumcoated wheels exceptional hardness, a 20% longer lifespan compared to nontitaniumcoated alternatives. These grinding bits are designed to leave an excellent cutting edge on saw chains and can be easily replaced on most chain sharpeners. 3. Polishing Tool: With its abrasive material and 3 mm shaft diameter, this chainsaw cleaner is suitable for polishing various materials such as saws, jade, wood, molds, and steel. It comes in sizes of 0 mm, 4.8 mm, and 5.5 mm, making it suitable for various polishing needs. 4. Compatible with hand grinders, this chainsaw machine is userfriendly and ensures effortless snapping of the saw chain. Its easytoreplace design allows for hassle maintenance.