BAR & CHAIN OIL - QTS. Size : Quart Formulated with highly refined base stocks and select additives to assure excellent performance Designed with high load-carrying capacity to protect against high pressures generated in the bar and chain during operation A special tackifier is added to the oil, which promotes good adhesion to moving parts and minimizes oil throw off Designed especially for lubrication of bar and chains on chain saws and open and enclosed chains on motorcyles, snowmobiles and lawn and garden equipment