Direct Attachments SnapNrack Ultra Rail Wide Base Seam Clamp w/L-Foot & Lock, 242-05159 Mfr. Part # 242-05159
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