Yellow snap-on 5 in. extender insulator extends mounts on backside of 1.25 lb. and 1.33 lb./ft. posts. One-piece design snaps on and around post. Heavy solid wire fingers hold wire 3 in. from the post. Prime high-density polyethylene with UV inhibitor. Brand Name: Dare Product Type: Sung T-Post Insulator Extended Length Color: Yellow Material: Plastic Fasteners Included: No Number in Packaging: 15 pk.