The PHILTOP Brake Caliper 18B4644 18B4645 is a set of rear left and right brake calipers designed for vehicles. Made by the brand PHILTOP, these calipers are essential components for maintaining proper brake function in a vehicle. The size specified indicates that these calipers are specifically designed for the rear left and right positions, ensuring a precise fit and optimal performance. Perfect for automotive maintenance and repair, these brake calipers are a valuable addition to any tool collection.