The STIHL OILOMATIC 33RS-72 Rapid Super Saw Chain is an aggressive, high-performance chain designed for professional users. With a 20-inch length, 72 drive links, 3/8″ pitch, and .050″ gauge, it is engineered for incredibly fast and smooth cutting in hard or frozen wood. The full-chisel, square-cornered cutter shape minimizes friction, while its low-vibration design helps to reduce operator fatigue. This chain is ideal for demanding forestry and industrial applications, including felling, bucking, and limbing.