Flashings SnapNrack Comp Flashing 9"x12" Black Galvalume (requires umbrella lag), 232-01377 Mfr. Part # 232-01377 Size 9 x 12 In.
Hardware Unirac MetalX Service Nut, ES10261 Mfr. Part # ES10261 Diameter 1.26 L x 0.49 W x 0.24 H In.