The Dare Snug Chain Link & U-Post Insulator is designed for use on chain link fabric and U-posts measuring 1-3/4" to 2-1/8" wide, securely holding fence wire 3-3/4" away from the post for proper insulation. Featuring solid wire holders that accommodate smooth wire, barbed wire, and polywire, it is molded from high-density polyethylene with UV stabilizers to deliver durable, all-weather performance.