The right way to pass cables through bulkheads.CeaCap Pass-Thru Fittings accommodate bulkheads as thick as 2" and require a 3/4" cutout. 1 3/8" flange size with a 90 bend so the wire or cable exits from the fitting parallel to the hull or deck. The inside diameter for cable measures 3/8" x 1/4".Creates a watertight seal for transom, thru-hull or thru-deck cables, tubing and wires. A great choice for transducer cables.Self-attaching – no hardware neededTurn down washer includedFits 3/4" hole1/4" diameter slot