The Oregon 21LPX-56E Super 20 is a high-performance, professional-grade chainsaw chain designed for demanding cutting tasks. Featuring a .325-inch pitch, .050-inch (1.3 mm) gauge, and 56 drive links, this chain is engineered for fast, smooth cutting and excellent chip flow. The Super 20 series is known for its full chisel cutters, which provide aggressive cutting performance, and its Vibe-Ban™ technology to reduce vibration. LubriLink™ tie straps help keep oil where it's needed on the chain, and LubriWell™ oil holes in the drive links carry oil around the full length of the guide bar's groove. This genuine Oregon chain is ideal for professional loggers and arborists seeking durability and efficiency.