4 Pcs Nylon 2.5inch Marine Wire Cable Vent Cover, Clamshell Vent for Boat, Edge Thickness 1/8inch,w

Made of Nylon, Excellent seawater corrosion resistance and durable, 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, hoses: The screw covers area Contact. Edge of these clamshells are and thickSIZE: 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 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.