Zareba IW5XNB-Z Wood Post Extension Insulators

This electric fence insulator fastens electrified wire to wooden posts without losing energy through the post. The Zareba Nail-on 5” Extender Insulator extends the wire 5” from the wooden post. It can be used with all gauges of wire. For 9 - 22 gauge high-tensile steel wire & aluminum wire, all polywire (regular & heavy duty), & polyrope up to ¼” in diameter. Fastens electrified wire to wooden posts without losing energy through the post. Please note: You will receive the Black Colored Insulators, not the Yellow.