New 12"x2" Galvanized Hydraulic Marine Trailer Brake Shoes Replacement Kits (2 pairs) - 21034/21043 New 12" X 2" galvanized hydrualic marine trailer brake shoes with linings for replacement works with most 12"X2" hydraulic trailer brake in the market Includes:2 pairs of shoes for 2 brakes/1 axle; 4 hold down springs, 4 hold down pins, 4 hold down caps