Replacement caliper assembly for 9.6", 10", & 12" Tie Down Engineering Vented Trailer Disc Brake Kits. Aluminum calipers have a Black E-Coat finish to provide double corrosion protection. Kit includes: bronze bushings, aluminum disc brake caliper for vented rotor (housing only), brass bleeder valves, inverted flare inlet elbow brake line fitting, caliper piston, rubber boot (caliper) and inside and outside brake pads.