This is Chain Link-Knuckle Twist 6' x 2" x 9 ga Commercial

available here at America's Fence Store

322 wall thickness

EASY TO INSTALL: To install these wire ties

The 6-1/2” wire tie is installed every 24” on the top rail

4" x 2" 180 Degree Hinge - Square Post K-373-White This is Chain Link-Knuckle TwistThis 4 x 2 Square Post 180 Degree Hinge is the perfect item if youve decided to go for square posts for your fence. Two of these hinges are capable of securing your gate, though you may want to get three or four for larger, taller gates. Made for 4 sq. and 2 sq. posts Made specially for square posts Gate opens 180 degrees from closed position Rust resistant