10" x 2-1/4" Trailer Electric Brake Assembly (RVH) Name: 10" x 2-1/4" Trailer Electric Brake Assembly with Park Brake Capacity: For 3,500 Axle Part No.: EH10B Description: 10 inch x 2.25 inch trailer electric backing plate with park brake is electrophoretic-coated. Its weclomed in Australia. Our company wholesale boat trailer Brake Assembly, we have a whole set of quality management system.