Get your semi Ready for the Road Ahead™ with safe and reliable stopping power, with the HD Value 12-1/4" x 5" 12K LH Electric Brake. This replacement brake allows operators to remotely control the brakes on trailers by sending an immediate electronic signal. Engineered with an easy-to-install and adjustable design to rapidly resolve problems within a trailer's parking mechanism. FleetPride is your First Click in Heavy Duty®.