Features: Designed for professional woodcutters using 3/8" pitch saws, the Oregon B70 PowerCut Saw Chain is a .050" gauge chain for 20" bars. This chain features low-vibration, full chisel cutters that quickly and precisely cut through timber. Fits chainsaws manufactured by Echo, Jonsered, Poulan, Remington, Craftsman, Dolmar, Homelite, McCulloch, Shindaiwa, John Deere, Makita, Alpina, Dayton, Green Machine, Lombard, Mastercraft, Olympyk, Skil, Stanley and Tanaka. Check the fit guide to see if this chain works with your saw. Full chisel cutters offer quick and precise cuts Tough, long-lasting chrome outer layer and hardened rivets help reduce wear and allow for fewer chain adjustments Built-in Lubri-Tec automatic oiling system extends the life of your chain by delivering oil to key parts of the chain so you can work smarter with less downtime and maintenance Blued Cutters deliver high-quality protection against corrosion For saw sizes 50-100 cc