The EVO MFG Jeep Gladiator Enforcer Rear Lower Adjustable Control Arms are made from heavy wall DOM Steel Tubing. They are all adjustable in length for fine tuning of your suspension alignment and wheel positioning. These arms utilize rebuildable spherical bearing joints on both ends of each control arm which offer restriction free articulation with ample misalignment and angle. They are rebuildable and greaseable and do not give the resistance and misalignment wear characteristics of all bonded rubber joints. These arms offer an isolated construction for decreased transmission of road vibrations. Massive 1-1/4" threaded joints. 100% bolt on installation. Powdercoated Black for long life and corrosion resistance.