Zareba WP-4 Heavy-Duty U-Shaped Corner-End Post Insulator

Zareba Heavy-Duty U-Shaped Corner-End Post Insulator is designed for wooden corner posts and wooden end posts and can be used with a variety of wire types: steel wire, aluminum wire, polyrope, and polywire. When extra strength insulating is needed, it comes in durable, white porcelain and has a lifetime guarantee. Can be used with steel wire, aluminum wire, polyrope and polywire (Not recommended for polytape)