Arnold 4-Cycle Engine Oil - 20 oz. (Single Pack) Lawn Mower single-pack bottled engine oil For use in 4-cycle , air-cooled gasoline engines Also used for rototillers, snow throwers, edger's, generators and other small engines; Meets or exceeds API classification SJ to ensure safe and damage-free use of your mower Specially formulated SAE 30W weight oil resists small engine high-heat breakdown Plastic bottle holds 20 oz. of oil Lawn Mower single-pack bottled engine oil For use in 4-cycle , air-cooled gasoline engines Also used for rototillers, snow throwers, edger's, generators and other small engines; Meets or exceeds API classification SJ to ensure safe and damage-free use of your mower Specially formulated SAE 30W weight oil resists small engine high-heat breakdown Plastic bottle holds 20 oz. of oil