Equip your semi truck to be Ready for the Road Ahead , with the OTR 1/2" Aluminum Emergency Lever Shut-Off Gladhand that provides reliable brake performance in dire situations. Due to its straightforward design, this replacement gladhand is able to connect to an emergency air line to deliver pressure to the brake system in case of an unexpected crisis. Constructed with a simple design to quickly lock and seal air lines. FleetPride is your First Click in Heavy Duty .