This way you can install a perfectly rectangular barb wire top barrier

PalmSHIELD is more than just great louvers

visually consistent

Water protection

2-1/2" x .130 x 9' CR40 Commercial Galvanized Pipe for Chain Link Fences 42ResidentialBlackChainLink This way you can installThis is a 2 1 2" x . 130 x 9' CR40 Commercial Galvanized Pipe for Chain Link Fences. 2 1 2" nominal O. D., 2 3 8" actual O. D. . 130 wall thickness Cold rolled 40 weight Galvanized steel Made for commercial use Pipe must be cut down to lengths shorter than 8' or shorter to ship UPS, otherwise it would need to be shipped via a flatbed which is much more expensive. This pipe can be cut to customer specifications. Cut charges may apply.