China Marine Weathertight Door Stainless Steel Dog Lock: The dog lock is used on the marine weathertight door CB/T3477 or hatch cover.
China Marine Steel Weathertight Door (Square Corner):
China Marine Steel Weathertight Door (Round Corner):
Marine Weathertight Door A weathertight door is designed and located on the deck of a ship/boat above the waterline,where they can be subject to the adverse weather conditions.