CHAIN compatible 4 MINI CHAINSAWS: These 4 inch compatiblement chains are suitable compatible all 4 inch cordless mini chainsaws. 4 inch rechargeable chainsaw accessories origin. SHARP TEETH: This 4 inch mini chainsaw chain with sharp, wear-resistant teeth cuts more efficiently and faster. High hardness, carving chains are not easy to break. Durable and practical, it can bring you great convenience and save your time. SHARP AND STRONG CHAIN: The 4 inch mini chainsaw compatiblement chain is deep hardened to ensure smooth cutting and optimal lubrication. The life of the saw chain is longer, light, wear-resistant and smooth cutting. EASY TO INSTALL AND compatible: The 4 inch mini chainsaw chain with lightweight and small design is easy to compatible and install. Simply remove the original chain, compatible the chain and finally tighten the bolt.