Kodiaks replacement brake pad set is made out of high quality ceramic material. This set is NOT made out of semi-metallic material, which will rust over time leading to early brake pad deterioration on boat trailers that go in salt water. Kodiak's Red Ceramic Brake Pads come with a 3 Year Warranty against Pad Separation. Fits Kodiak 225 calipers which is what is on 5 bolt and 6 bolt Kodiak brake kits. This is a full set that will replace the pads on 2 calipers/1 axle.