Effortless install (no staples or nails required) to screw into wood post. Angled slot allows quick securing and safe holding of wire. No need to create pilot hole first, simply screw this insulator into soft wood. Made from durable UV resistant plastic with a zinc-coated wood screw.

A robust ring insulator for fitting plastic wire/cord to wooden posts.

Cleverly designed to guarantee no shorts and features a handy orange wear indicator to show when the insulator should be replaced.

This insulator is easy to secure to posts with its extra sharp point. Simply screw insulator directly into wooden post by hand or with a power drill using the Screw In Insulator Drill Bit (sold separately).