LONG-LASTING MATERIAL: Replacement chain made of carbon steel, heat-treated design, high hardness, light weight, compact structure, can stay longer, faster, more efficient, minimize vibration and provide clean cutting. Meet Daily Needs: Package includes 2 replacement chainsaw chains, 4 inch guide bar, the quantity is enough to meet your different needs;you can replace dull or broken chains at any time, so you can continue working and save unnecessary time and trouble.These chains can accommodate 4 inch chainsaws. VERSATILE: These mini chainsaw replacement parts fit chainsaws that use 4" handles and can be used on a variety of materials.Chainsaws are used for cutting wood, carving and molding, plywood, laminate flooring, particle board, plastic, ice, rubber, etc. Sharp Teeth: Features sharp, wear-resistant teeth that provide fast cutting, low vibration and minimal support suspension.The chain features chrome plated cutters for long life.Equipped with chrome cutters, excellent anti-rust performance, durable and practical, not easy to break. Replacement is simple: simply turn the screw, remove the original chain, then place the new chain and tighten the screw.Make sure the chain is properly aligned and the long, sharp blade is facing forward.