Module Clamps IronRidge Aire Lock End 30mm-40mm Black, AE-END-01-B1 Mfr. Part # AE-END-01-B1 Range 30-40 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.