Long-lasting material: Carbon steel replacement chain, heat-treated design, high hardness, light weight, compact structure, can stay long, faster and more efficient, minimize vibration and provide a clean cut. For daily needs: 2 chainsaw replacement chains are included in the package, the amount is enough to meet your different needs; You can replace blunt or broken chains at any time so that you can continue working and save time and unnecessary trouble. These chains fit 4-inch chainsaws. Versatile: These mini chainsaw replacement 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 shaping, plywood, laminate flooring, chipboard, plastic, ice, rubber, and more. Sharp Teeth: It has sharp, wear-resistant gear teeth that provide fast cutting, low vibration, and minimal support suspension. The chain has chrome-plated cutters that ensure a long service life. Equipped with chrome-plated cutters, excellent rust resistance, durable and practical, not easy to break. Simple Replacement: 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. Heat-Treated Design The chain is made of carbon steel and features a heat-treated design with high hardness, light weight, and compactness. It stays sharper longer and cuts faster and more efficiently. Wear-resistant gear teeth Sharp, wear-resistant teeth ensure fast cuts with low vibration and minimal kickback. Package Include 2 * 4 inch Chain