This product is a pair of rear brake calipers with bracket designed for Honda Civic 2006-2015 and Acura ILX CSX vehicles. The calipers are made of steel with a piston diameter of 1.33 inches and come with mounting hardware and caliper bracket. It is a direct replacement part with a manufacturer warranty of 1 year. The caliper set is compatible with Acura and Honda vehicles and includes a metal piston for durability. The product also features a bleed port size of M10x1.25-6H and is designed for rear placement on the vehicle.