Module Clamps K2 Systems CrossRail Mid Clamp Set, 30-47mm, 13mm Hex, Dark, 4000602-H Mfr. Part # 4000602-H Range 30 - 47 mm
Lag & Hanger Bolts K2 Systems Lag Screw 145/16" x 4" SS, 4000170 Mfr. Part # 4000359 Size D145/16 X 4 In.