Screw-on Insulators for Round Posts and Polyrope, Polywire, and Wire
Economy insulators 07-01, 07-01W, 07-01WZ, and 07-02 screw onto round posts 1/4 to 9/16 inch in diameter and also onto 5/8 inch fiberglass T-posts. Their small arms will carry polyrope, polywire, or wire along a straight line of fencing but not around bends or corners. Insulators 07-04 and 07-05 screw onto round posts from 1/4 to 7/8 of an inch in diameter, can hold wire, polywire, polyrope, or polytape up to 1.5 inches wide, and can be used on corners.