USP PB44-6TZ 4" x 4" PB Post Cap (20 Pack)Used for light duty post-to-beam connectionsUSP PB44-6TZ 4" x 4" PB Post Cap (20 Pack) Features: Post beam caps provide quick and easy installation on decks, carports, and other projects Designed to work with single, solid-beams, but can be used with built-up beams 18 steel gauge steel G60 galvanizing Two piece 4 x 4 - 6 post