Direct Attachments Chem Link 4" Diameter E-Curb Round - White, F1357WH Mfr. Part # F1357WH Size 4 In.
Lag & Hanger Bolts K2 Systems MiniRail JF3 25mm Screw w/ EPDM, 4000672 Mfr. Part # 4000672 Size 6x32 mm