Hardware SnapNrack Sealing Washer Lag 4.5" Stainless Steel, 242-02168 Mfr. Part # 242-02168 Size 4-1/2 In.
Lag & Hanger Bolts K2 Systems MiniRail JF3 25mm Screw w/ EPDM, 4000672 Mfr. Part # 4000672 Size 6x32 mm