SteelTek 1-1/4-in Structural Galvanized Rail Support in the Structural Pipe & Fittings department at Lowes.com
10 Pack 45 Degree Black Fix Angle Metal Joint Two Port T Pipe Clamps Corner Connector Fit 1.1" (28 mm) OD Pipe, Modular Pipe Fittings for Lean Workstaion Shelves, Thickness 2.3 mm,