Made of Nylon, Excellent seawater corrosion resistance and durable, exposed to air on boat
Nylon is a lighter and lower cost solution, Strength and service life are exactly the same as 316 stainless steel
Used for splash proof openings or outside vent of wiring cables, wires, hoses
SMOOTH: The flush screw covers area nice smooth Contact. Edge of these clamshells are smooth and thick
SIZE: 2.5inch x 2-1/4inch, Height: 1inch

colour: black
Material: nylon

Package Contents:
4 x Marine Wire Cable Vent Cover (with screw)