Product information "W-insulator (black, pack of 25)"
High quality insulator for fitting plastic wire to wood posts. The extra strength jaws can withstand significant fence tension and keep wires firmly in place. W- insulators are easy to install and can be removed and reused with no damage to the post or the insulator. They deliver superior electrical performance, even under the highest voltages due to long leakage paths and protective shields. Tough and sun resistant, these insulators come with 10- year product warranty.