Stens 770-261 50:1 2-Cycle Oil Mix Syn Blend Case of 24 Replaces: 770-188, 770-208, 770-600; Stihl: 0781 313 8004, 0781 319 8008; Echo 6450001 Size: 2.6 fl. oz. bottle; Includes fuel stabilizer; Color of mix is deep green; Each 2.6 oz. bottle makes 1 gallon of 50:1 mix 24 bottles per case; Priced per case, sold per case; Refined to give minimum carbon build-up Do NOT use with E-85 fuel; JASO-FD Certified and meets ISO L-EGD requirements Not compatible with greater than 10% ethanol fuel. Do NOT use with E-85 fuel