Ballasted Components IronRidge BX Top Clamp, 33mm, Mill, BX-TCL-33MM-M1 Mfr. Part # BX-TCL-33MM-M1 Size 30 mm
Hardware QuickBOLT 1/2" x 4" Roof Screw HEX Driver for 5/16 HWH Screws, 17655 Mfr. Part # 17655 Diameter 1/2 In.