Galvanized before weaving to prevent burrs and sharp edges

and cannot be easily undone by an intruder

This is a galvanized steel 6" Square PS Caps

In this case

need a tried-and-trued security device to help keep out unwanted personnel while—at the same time—permitting easy entry to those with authorization

2" x 1-5/8" Steel Black Vinyl Coated Barbed Wire Arm for Black Vinyl Chain Link Fences 36CommercialGalvanizedChainLink Galvanized before weaving to preventFences topped by barb wire remains a common installation at power plants, police stations, correctional facilities, and other venues needing high security. For fences that use 2" posts and 1 5 8" rails, look no further than this steel 3 strand barb arm, available here at America's Fence Store. Fitting atop your post, with a circular hole to accommodate your fence rails, this arm has been fabricated with an angular build. This way, the barb wires