Environmentally-Friendly Green Non-Melting Synthetic Lubricant Formulated To Lubricate Under The Most Adverse Brake Conditions Assures That Critical Caliper Pins Sleeves Bushings And Pistons Remain Lubricated Throughout Pad Life Directions: Clean All Caliper Parts To Be Lubricated Apply To Pins Slides Bushings Pistons And Rubber Sleeves And Seals May Also Be Used As A Noise Suppressor To Eliminate Caliper Brake Squeal Note: Do Not Apply To Braking Surface Of Caliper Pads.