National Hardware
V21a, 4" bar, black, adjustable sag compensating latch, floating bar adjust to compensate for over 1/2" of gate sag, can be padlocked for added security, designed for right or left hand applications.
Western Products Round Track Splice Collar
Mailbox Post, Pressure-Treated Wood, 4 x 4 x 72-In.
Master Lock 1-9/16 In. Wide Covered Solid Body Padlock with 1-1/2 In. Shackle (3-Pack)
Gibraltar Elite Post Mount Mailbox
Elite Post Mailbox, Black Galvanized, 8.75 x 6.75 x 19-In.