Corrosion-resistant, stamped 304 stainless steel midget clamshell vent provides a splashproof opening through transoms, cabin sides, and more. Great for routing cables and wires or for covering thru-hull openings to shield water spray. Ideal for small lockers, it is an attractive cover for ventilation holes and also prevents odors. Easily installed vent is pre-drilled for three #6 RH fasteners (not included). 1-3/4"L x 1-5/8"W.