Long-lasting material: carbon steel replacement chain, heat-treated design, high hardness, low weight, compact structure, can stay long, faster and more efficient, minimize vibration and provide clean cutting. For daily needs: 2 chainsaw replacement chains are included in the package, the amount is enough to meet your different needs; You can replace dull or broken chains at any time so you can keep working and save unnecessary time and trouble. These chains hold 4 inch chainsaws. Versatile: These mini chainsaw spare parts are suitable for chainsaws that use a 4 inch shank and can be used for a variety of materials. Chainsaws are used for cutting wood, carving and forming, plywood, laminate flooring, chipboard, plastic, ice, rubber and more. Sharp teeth: a sharp, wear-resistant gear teeth that provide fast cutting, low vibration, and minimal support suspension. The chain has chrome plated cutters that stand up to a long life. Equipped with chrome plated cutters, excellent rust resistance, durable and practical, not easy to break. Simple replacement: just twist the screw; Delete the original string; Then place the new chain and tighten the screw. Make sure the chain is properly aligned and the long, sharp blade faces forward. Heat-treated design The chain is made of carbon steel. carbon and features a heat-treated design with high hardness, light weight and compactness. It stays sharp longer and cuts faster and more efficiently. Wear-resistant gear teeth Sharp, wear-resistant teeth ensure fast cuts with low vibration and minimal recoil. Include package 2*4 inch Chain1*guide bar