Stainless Steel Single Hinged Window
from Man Ship Marine
Stainless Pilothouse Deck Hatch Pilothouse Deck Hatch
Pilothouse Boat Deck Hatch Pilothouse Deck Hatches
 
Pilothouse Boat Deck Hatch
The radius R = 1-1/4" and R1 = 2-1/2 will remain unchanged.