Hardware QuickBOLT 1/4" x 3" Hex Head Solar Mounting Screws Stainless Steel, 17556 Mfr. Part # 17556 Diameter 1/4 In.
Module Clamps K2 Systems CrossRail Mid Clamp Set, 30-47mm, 13mm Hex, Dark, 4000602-H Mfr. Part # 4000602-H Range 30 - 47 mm