The STIHL RAPID Super is an extremely fast-cutting chain that excels in cutting hard and frozen wood. It has a cutter and tie strap design that significantly reduces vibration levels while still utilizing the benefits of an aggressive full-chisel design. It features razor-edged, square-cornered cutter shapes that minimize friction and offers excellent cutting and plunge-cutting efficiency. Note that it will require careful sharpening and maintenance to continue to perform well. | STIHL 25" Saw Chain 3/8" 33 RS 84