The Zareba Black Nail-on five-inch Extender Insulator extends the wire five inches from the wooden post. It can be used with all gauges of wire. This black insulator is packed 25 per bag and includes nails.

• Fastens electrified wire to wooden posts without losing energy through the post
• Extends the wire 5" from the wooden post
• For 9 gauge through 22 gauge high-tensile steel wire and aluminum wire, all polywire (both regular and heavy duty), and polyrope up to 1/4" in diameter

Fastens electrified wire to wooden posts without losing energy through the postZareba