T-post fence mounting brackets

Bracket slides over T-post fencing anywhere, locks on by protrusion on T-post and the cross bar. 4 crossbar sizes - 5/8" dia and 1 1/16" Dia for curtain rods, 1 3/4" dia for thin wall 1 1/4"PVC pipe and 1 5/8" square for 2" sq lumber. Also two brackets with a tab to mount a trail camera to. Brackets are double slotted post/bar do not have to be slide to position, Enjoy.