Module Clamps IronRidge QM Mid Clamp 30-45mm Black, QMR-UMC3045-B-20 Mfr. Part # QMR-UMC3045-B-20 Range 30 - 45 mm
Hardware SnapNrack Sealing Washer Lag 4.5" Stainless Steel, 242-02168 Mfr. Part # 242-02168 Size 4-1/2 In.