625mm Diameter Round Marine Grade Nylon Boat Deck Hatch Window With Tempered Glass and Trim Ring Part Number: 00545 Marine grade white nylon frame, anti-UV and saltwater Tempered clear grey glass Two locking latches, latch can be opened from inside and outside, when it is locked, latch can not be opened from outside. Two adjustable support struts, the hatch can be opened and hold from 0 degree to 135 degree Inner trim ring is supplied. Overall Diameter: 625mm (24.6 inch) Inner Frame Diameter: 550mm (21.7 inch) Cutout Diameter: 560mm (22 inch) The listing price does not include any destination duties/taxes/custom fees/etc that will be due when the product arrives at destination countries/regions. It is the customer's responsibility to pay for all custom duty/taxes/custom fees if any.