The T-Post Topper is a product designed to insulate electric fence wire on top of T-posts. It is available in packs of 10 and is made from durable high-density polyethylene. These toppers serve as protective caps that fit over the top of metal T-posts, helping to prevent injury to animals by covering sharp edges and providing insulation for electric fencing systems. They are compatible with wire, polyrope and polywire,