Hardware SnapNrack Rectangular Base Flange 1.5" AlMg, 172-05807 Mfr. Part # 172-05807 Diameter 1-1/2 In.
Flashings SnapNrack Comp Flashing 9"x12" Black Galvalume (requires umbrella lag), 232-01377 Mfr. Part # 232-01377 Size 9 x 12 In.