Module Clamps IronRidge QM Mid Clamp 30-45mm Black, QMR-UMC3045-B-20 Mfr. Part # QMR-UMC3045-B-20 Range 30 - 45 mm
Hardware Roof Tech 45mm Hex Bolt w/ Flanged Nut Set, RT2-04-BN45L-US Mfr. Part # RT2-04-BN45L-US Size 1-3/4, 45 In., mm