Oregon 20D176B70 Oregon 20" chain saw bar and chain combo includes a 72EXL chainsaw chain and guide bar. Designed for professionals using 3/8" pitch saws, the Oregon PowerCut Saw Chain features low vibration, full chisel cutters for top performance. Offset depth gauges prevent the cutters from driving into the sidewall of the cut, offering a smoother cut. This 20", .050" gauge saw chain fits chainsaw models from many brands including Echo, Poulan and McCulloch. LubriTec keeps guide bar rails, chain drive link and chain rivet joints oiled for less wear and faster life. Check the fit guide to see if this chain saw bar and chain combo works with your saw.