Blue Sea Systems Cable Clam Features Perfect for antenna installation Waterproof co-axial installation without removing connectors Save the expense of removing and replacing connectors Avoid poor connections from removing factory connectors Screws are Stainless Steel Seal Material is UV-Stabilized Buna-N Rubber Body Material is Acetal Connector Opening 0.68in 17.27 or .83in 20.95 California Residents WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov Other Details Google Product Type Conn