Hardware SnapNrack Rectangular Base Flange 1.5" AlMg, 172-05807 Mfr. Part # 172-05807 Diameter 1-1/2 In.
Hardware SnapNrack Sealing Washer Wood Screw #14 x 2-3/4" Stainless Steel, 242-02175 Mfr. Part # 242-02175 Size #14 x 2-3/4 In.