Hi-Tech Non-Chlorinated Brake Cleaner. Fast and easy way to clean and degrease all brake parts including, cylinders, linings, drums, springs, and disk brakes without having to disassemble the brake unit. Formulated to remove brake fluid, oil, grease and other contaminants. Also effective in stopping disc brake squeal. Aerosol can net weight 12.5 oz. NOT California / OTC VOC Compliant.