ITEM NAME:2 Sets Clam Shell Cable Vent Cover For Boat Builders 55x57 Mm img *{margin:0;padding:0;.The Clam shell shape can be used as a protective shield for cables and electrical wiring passing through transoms, cabin sides, etc. 2 Piece Clam Shell Vents. Material: 304 Stainless Steel. These small vents have many uses.
