The Zareba Yellow Wood Post Insulator extends wire 2.5 in. from wooden posts without losing energy through the post. This electric fence insulator has a single-headed nail.

For 9 gauge through 22 gauge high-tensile steel wire and aluminum wire, all polywire (both regular and heavy duty), and polyrope up to in diameter
Extends the wire 2 from the wooden post
Nails included
25 insulators per bag