Pivot U joint, Drive line Coupler for irrigation system Specification High strength Die Cast Coupler Jaws; Bead blasted for higher torque and strength; Dissipates shock loads to other components; Design provides Automatic realignment; All hardware included for quick installation; Fertilizer,weather and UV resistant; Dive Line Coupler Model Assy Description IRW-011-1 1.125"R&1"×2ends IRW-011-G 1"R&7/8"Sq×1.125”R&1” Sq