Specification: 18 Inch, .063" Gauge, .325" Pitch, 74 Drive Links. The same saw can be equipped with different bar lengths, please verify your parameters to ensure this chain works with your machine.Fits Chainsaw Brands: Fits Chainsaw Brands: Stihl 26RS-74, 26RM3-74, MS271 Farm Boss, MS290, MS291, 3639-005-0074, 3689-005-0074, MS261, MS260, MS310, 026, 028, 024, 03, Oregon L74, V74 etc.(See the detail page for more information)Smooth Cutting: High toughness, heat-treated full-chisel chain cuts smoothly with a higher tolerance for debris. Durable, low-kickback, low-vibration chain helps reduce user fatigue and allows consistent cuts.Wear Resistant: Premium industrial hard chrome outer layer and hardened rivets help reduce wear and chain adjustments. Hardened rivets provide a stronger connection between chain links, adding strength and withstanding loads.Note: Every saw chain comes with protective oil, resists corrosion. If you have any problems or concerns about the compatible machines, please feel free to contact us.