Extra strength jaws to withstand significant fence tension and keep wires firmly in place Easy installation and can be removed and reused with no damage to the post or the insulator Delivers superior electrical performance, even under the highest voltages due to long leakage paths and protective shields Superior insulation with large heavy duty shield to prevent pulse arcing and reduce power leakage Minimal wire corrosion as open face design reduces dust and algae Tough, durable and sun resistant - made from UV stabilized polyethylene plastic