Hardware SnapNrack Rectangular Base Flange 1.5" AlMg, 172-05807 Mfr. Part # 172-05807 Diameter 1-1/2 In.
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