Ballasted Components IronRidge BX Top Clamp, 33mm, Mill, BX-TCL-33MM-M1 Mfr. Part # BX-TCL-33MM-M1 Size 30 mm
Lag & Hanger Bolts Unirac 5/16"x4.5 Lag Bolt & Structural Screw SS , 030045C Mfr. Part # 030045C Diameter 5/16 In. Size 5/16 x 4-1/2 In.