For use on 1-2 axle trailers equipped with electric brakes, these complete systems incorporate the highest quality components in trailer breakaway systems and meet or exceed Department of Transportation (DOT) specifications regarding trailer breakaway and holding requirements. Automatically applies consistent braking power to your trailer brakes if a breakaway occurs between tow vehicle...

Ideal for trailers, cars, trucks, construction equipment, boats, ATV, 4x4 & more • Closed : 6" • Open : 10-1/2" • Reach : 7-1/4" • Includes 3 keys