Prepare your trailer to be Ready for the Road Ahead with the Dexter 12" x 2" RH Electric Brake Assembly with Park for Small Trailer Axle, a replacement part that ensures fast and responsive brakes. By utilizing an electric current to communicate signals, this assembly effectively actuates a trailer's brakes to bring it to a safe and secure stop. Once engaged, trailers can safely slow down to match the speed of the vehicle they are towed by. FleetPride is your First Click in Heavy Duty .