Do you need a way to attach electric wire to a wood post while still maintaining the current and avoiding energy loss? The American FarmWorks Duralator Wood Post Self-Drilling Insulator can help you accomplish all of this with ease. The electric fence post insulator is a self-drilling, screw-in electric fence insulator that can be used with many different wire types, including high tensile wire. Manufactured from sturdy plastic that can outlast porcelain insulators, this Duralator self-drilling insulator is very durable. You'll also appreciate the attractive white color that can enhance the aesthetics of your property by adding a professional touch. You can install the electric fence insulator for wooden posts in only 10 seconds with power tools.