BAR AND CHAIN OIL All Season D-A Bar and Chain Oil is formulated to insure good performance on all link chain and chain bars including chain saw bars. Premium quality D-A Bar and Chain Oil extends the life of the bar, chain and sprocket by protecting against wear. It is formulated with high levels of tackifier additive to resist dripping and throw-off. D-A Bar and Chain Oil prevents rusting and reduces friction and heat build-up on cutting chain and guide bar. Anti-wear agents reduce metal-to-metal contact wear between the drive sprocket, the bar guide and the moving chain. D-A Bar and Chain Oil is recommended for all makes of chain saws and all types of link chains that require lubrication ? including motorcycles and bicycles as well as farm and industrial uses.