T-Post Screw-On Insulator (25 pack)

The T-Post Screw-On Insulator is made of high-density polyethylene resistant to UV and weather. The insulator can be opened for attachment anywhere on the post. No extra hardware is required. The screw-on threads allow for the insulator to be adjustable to the size of your post. Fits all posts as described below: T posts, steel – small, medium & large, with or without studs. T posts, fiberglass – medium & large sizes only. Sucker rods – 3/4″ diameter only. U posts – small, 11/8″ wide. Backside only. Small garden U posts—11/8″ wide.