Made of Nylon, Excellent seawater corrosion resistance and durable, hold up exposed to salt air on boatNylon is a lighter and lower cost solution, Strength and service life are exactly the same as 316 stainless steelUsed for splash proof openings or outside vent of wiring cables, wires, hosesSMOOTH: The flush screw covers area nice smooth Contact. Edge of these clamshells are smooth and thickSIZE: Approx 2.5inch x 2-1/4inch, Height: 1inchcolour: blackMaterial: nylonPackage Contents:4 x Marine Wire Cable Vent Cover (with screw)Only the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
