Hardware QuickBOLT 1/4" x 3" Hex Head Solar Mounting Screws Stainless Steel, 17556 Mfr. Part # 17556 Diameter 1/4 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