Module Clamps IronRidge QM Mid Clamp 30-45mm Black, QMR-UMC3045-B-20 Mfr. Part # QMR-UMC3045-B-20 Range 30 - 45 mm
Lag & Hanger Bolts K2 Systems Lag Screw 145/16" x 4" SS, 4000170 Mfr. Part # 4000359 Size D145/16 X 4 In.