The Gibraltar SC-GCRQT Chrome Series Quick Set T-leg Clamp is built to fit 1.5 inch (3.81 cm) diameter rack tubes and is perfect for securely attaching horizontal and vertical tubes. Its metal, chrome-plated design features a quick-release T-clamp and a fixed angle for hassle-free mounting with a square-head bolt and hinge mechanism. For a reliable, adjustable solution with no compromises, trust the Gibraltar SC-GCRQT.