Brake Cleaner - A Heavy Duty Brake System Cleaning Spray For Cleaning The Drum And Disc Brakes, Brake Cables, Rotors, And Disc Pad / Drum Lining Surfaces Without Disassembly. Reduces Disc Brake Squeal, Improves Brake Performance, Fast Drying With No Residue And Removes Brake Pad Phenolic Resins, Brake Pad Dust And Other Brake Pad Degradation Products.