Formulated to improve performance, extend engine life, and reduce plug fouling. Provides excellent wear protection and high temperature performance. For use in chain saws, trimmers, motorcycles, snow blowers, mowers, and other air-cooled, 2-cycle engines. No guessing with this handy oil. One 3.2 oz. bottle treats 1 gallon of gas and works in any ratio from 12:1 to 50:1. The special additives allow for increased lubricity and more efficient heat dispersant, thus allowing a wider mix ratio range. No. 11555: E-Z 2-cycle oil, 3.2 oz. bottle No. 11558: 2-cycle oil, 8 oz. bottle