Blue Sea CableClam-Thru deck Cable Installation without removing connectors 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 Specifications Screws Stainless Steel Seal Material UV-Stabilized Buna-N Rubber Body Material Acetal Product Line PN Connector Opening in" (mm) Weight Lb (Kg) 1001 0.63 (15.87) 0.15 (0.07) 1002 0.83 (20.95) 0.20 (0.09) 1003 1.30 (35.18) 0.30 (0.14)