Non-Locking Latch and Non-Screws and Bolts, Customized screws according the application. 316 Stainless steel marine grade material, anti-corrosion and anti-rust. Measures 2-5/8" OD and 2" hole diameter, Overall Height3", adjustable for different door thicknesses. Perfect for hatches, decks, livewells, electrical enclosures, also use for cabinet door flush, RV drawer and so on. If you have any question, please feel free to contact us. Boat hatch latch, range of locking adjustment: 1-1/4" to 2-3/4"