Features:
1. For General Duty (10K GD) Trailer Axle 12 1/4 x 3 3/8" Electric Brake Assembly 7 Hole mount bolt.
2. To replace you old 10K brake assemblies or to convert your Old hydraulic brakes to electric.
3. The way the brake assembly functions is there is a magnet that will apply friction to the lever in return pushes the shoes out into the drum causing friction which allows your trailer to come to a easy stop.
4. Self Adjusting!
typical brakes for axles 10,000#
This assembly uses a 7 bolt mounting pattern that should match your trailer axle.
(will not fit older 4 bolt mounts!)

Note:

* Professional installation is highly recommended
* Please double confim the compatibility as well as the OEM number before purchasing