Zareba Systems IWKNY-Z Insulator with Double-Headed Nails, 250 Pack

The Zareba yellow economy insulator with double-headed nail is an inexpensive way to properly fasten electrified wire to your wooden posts so no energy is lost.

Economical insulator with double-headed nail – for wood posts
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-inch in diameter
250 insulators included