Pair 12-1/4x3-3/8" 10K Electric Backing Plate Trailer Brake for Dexter 10000 lbs
For General Duty (10K GD) Trailer Axle 12 1/4 x 3 3/8" Electric Brake Assembly 7 Hole mount bolt. For General Duty (10K GD) Trailer Axle. To replace you old 10K brake assemblies or to convert your Old hydraulic brakes to electric.