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 MiniRail JF3 25mm Screw w/ EPDM, 4000672 Mfr. Part # 4000672 Size 6x32 mm