Product Description Chain for 4-inch Mini Chainsaws: This replacement chain is compatible with all 4-inch cordless electric portable mini chainsaws. It is an original chain accessory for 4-inch mini rechargeable cordless electric chainsaws, 4-inch mini logging lithium-ion battery chainsaws, and 4-inch rechargeable chainsaws. Toothed Design: This 4-inch mini chainsaw chain features a toothed design for enhanced wear resistance, higher cutting efficiency, and faster speeds. The chain is highly rigid and less prone to breakage. Durable and practical, it offers numerous conveniences and saves you time. Sharp and Strong Chain: This 4-inch mini chainsaw replacement chain undergoes deep hardening to ensure smooth cutting and excellent lubrication. It boasts a longer lifespan, is lightweight, wear-resistant, and provides smooth cutting. Easy Installation and Replacement: This 4-inch mini chainsaw chain is designed to be lightweight and easy to replace and install. Simply remove the old chain, replace it with the new chain, and tighten the screws.