Engineered with anti-wear agent Zinc Dialkyl Dithiophosphate (ZDDP) to help provide a layer of protection for the bar and chainFormulated for use with chainsaws to help maintain maximum bar and chain performanceOil is ready for immediate useTackifier helps reduce high-speed oil throw-offHigh-quality base oil specially formulated to minimize resin build-up for smoother cutsREADY TO USE WITH NO MIXING REQUIRED: Just pour the bar and chain oil into the oil reservoir every time you refill the gas tank (refer to your chainsaw’s manual for exact location)