Ballasted Components IronRidge BX Top Clamp, 33mm, Mill, BX-TCL-33MM-M1 Mfr. Part # BX-TCL-33MM-M1 Size 30 mm
Hardware SnapNrack Sealing Washer Lag 4.5" Stainless Steel, 242-02168 Mfr. Part # 242-02168 Size 4-1/2 In.