72LGX is Oregon s 3/8 pitch x .050 Saw Chain that is ideal for high-production cutting of clean wood and features Oregon OCS-01 steel. This patented chain steel provides greater durability, especially in cold cutting conditions. Clean ground gullets increase chip flow and evacuation. Blued cutters provide superior corrosion resistance and improved strength. Offset ramp-shaped depth gauges reduce roughness and helps prevent cutter from diving into the sidewall of the cut. 72LGX is a standard sequence chain and features "X" grind an enhanced grind geometry that significantly improves out-of-box sharpness with substantial speed improvement in boring and bias (undercut) modes. LubriWell oil holes help to carry oil around the full length of the guide bar's groove. LubriLink tie straps that help keep oil where it s needed on the chain. Vibe-Ban chassis design reduces vibration 25% or more at the chainsaw's handles. Top-plate Witness Mark that makes accurate sharpening easier. Bar Length 20in (41-91 cm); Saw Sizes: up to 3.05 to 6.10 cubic in (50-100cc). 72LGX does not comply with ANSI B175.1 Kickback Standard.