Optimize safe operation with Dare snug electric fence insulators for t-posts. This electric fence insulator 25-pack includes yellow insulators constructed from high density polyethylene with UV inhibitors for superior all-weather performance. The insulators snap securely around a t-post and hold electric fence wire, polywire and rope up to 4/13 inches (8 mm). A large flange prevents arcing. This t-post electric fence insulator extends wire 1 inch (2.54 cm) from the post.