1) High-Quality Construction: Crafted from durable ABS material, this Boat Hatch features weather-tight and O-ring sealed deck plates, ensuring reliability in various conditions. 2) Versatile Application: Suitable for all types of Boats/Yachts, it is perfect for both interior and exterior use, offering flexibility in installation. 3) Secure Non-Slip Design: Boasting a reinforced design with a non-slip surface, this 4-inch boat deck plate provides added safety during use. 4) Easy Installation: Designed for convenience, it comes with a rotary switch and separate cover plate and chassis for straightforward installation. Pre-drilled countersunk holes and screws are included. 5) Dimensional Flexibility: With the ability to be installed vertically or horizontally, this deck mount hatch offers versatility to suit various mounting needs.