This is a 12 oz. can of Rust-Oleum Caliper Paint, a specialized coating designed to withstand high temperatures up to 900°F.It is engineered to resist brake dust and harsh braking conditions while preventing rust on calipers, drums, rotors, and springs.The formula features an "any-angle" spray nozzle, allowing for application from various positions.Available in several colors including black, silver, and blue,