These 4" replacement chains fit all 4" cordless mini chainsaws.Suitable for 4 inch mini rechargeable cordless electric chainsaw, 4 inch mini lithium chainsaw for wood cutting, 4 inch rechargeable chainsaw accessories original chain. This 4 inch long miniature chainsaw chain has sharp, wear-resistant teeth for more efficient and faster cutting.Good hardness, engraved chain is not easy to break.Durable and practical, it can bring you great convenience and save time. SHARP AND STRONG CHAIN: The 4 inch mini chainsaw replacement chain is deeply hardened to ensure smooth cutting and optimal lubrication. The service life of the saw chain is longer, lightweight, wear-resistant and smooth cutting The 4 inch mini chainsaw chain with lightweight and small design is easy to replace and install.Simply remove the original chain, replace the new chain and finally tighten the bolt.