The OTR Plastic Gladhand Grip Handle Pair is made with Expertise Built In , as reusable units that are used to extend the life of the fitting to tubing connection on your truck and trailer's coiled air sets. The ends of each of the red and blue coils screw into these ribbed grips allowing the driver to use these as handles instead of pulling on the spring guards. FleetPride is your First Click in Heavy Duty .