CHAIN FOR 4 INCH MINI CHAINSAWS: This replacement 4" chain is compatible with all 4-inch cordless electric portable mini chainsaws. Fits 4-inch mini rechargeable cordless electric chainsaws, 4 inch mini wood cutting lithium chainsaws, and serves as a replacement for the original 4-inch chainsaw chain. POINTED TEETH: This 4" mini chainsaw chain features pointed and wear-resistant teeth for efficient and fast cutting. High hardness design ensures the carving chain is not easily broken. Durable and practical for convenient, time-saving operation. SHARP AND STRONG CHAIN: The replacement chain for 4" mini chainsaw is deeply quenched to ensure smooth cutting and optimal lubrication. Offers extended service life, lightweight construction, wear resistance, and smooth cutting performance. EASY TO INSTALL AND REPLACE: Designed with a lightweight and compact structure, this chain is easy to install and replace. Simply remove the old chain, install the new one, and tighten the screw securely.