The Polaris Sitg-3/0 10-Pack Of Replacement Sleeves Fit Polaris Grey Multi-Tap Connectors Sized For 3/0 €“ 4 Awg Wires. The Sleeves Are Made From Tin Plated Copper and Rated For Up to 600V Charges. The Set Screws In Polaris Grey Connectors Crimp The Internal Sleeve When Tightened, Ensuring A Strong Connection With Fine-Stranded Copper Wires. These Replacement Sleeves Allow Connectors to Be Re-Used Like Brand New. Use These Connectors In A Wide Range Of Splicing Fine-Stranded Wire Applications, Including I