Ensure your semi is Ready for the Road Ahead™ with safe and reliable stopping power, with the HD Value 12-1/4" x 3-3/8" 9-10K LH Electric Brake. Thanks to its specialized design, this replacement brake makes it possible for operators to remotely control the brakes on trailers by sending an immediate electronic signal. Crafted 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®.