100% synthetic brake fluid on polyglycol basis for all types of hydraulic actuated brake and clutch systems in accordance with DOT 5.1, DOT 4 and DOT 3 manufacturers' recommendations. Specially designed for anti-locking brake systems (ABS). 100% synthetic. Mixes with DOT 3, 4, and 5.1 (not Dot 5). Dry boiling point: 272°C / 522°F. Wet boiling point: 185°C / 365°F.