This is the a plastic retrofit for the teak trim used on aft end of sliding hatch. It fits pop top equipped boats built before 1986. The thickness of the teak allows the aft surface of the sliding hatch to be aft of the crib boards when slid fully shut. This minimizes water intrusion through the companionway in wet weather. The locking hasp mounts to this part.
We have not cut the small notches to port and starboard. They vary significantly from boat to boat. You will need the cut the notches to fit. In fact, you may be able to cut smaller notches than were originally installed and thereby reduce the amount of water that can enter the hatch at the corners.
Later boats added a single loop teak handrail to make it more convenient to slide the hatch closed. This is an easy upgrade that can be added to any year boat. See link below for the correct handrail.
This may also be a smart time to upgrade your locking hasp. The original part used on many Catalina sailboats had four mounting holes. It was unique in that the four holes were not in a symmetrical pattern. During the Asian financial crisis a few years back, the company that made the original hasps disappeared. The old hasps, which frankly were not high quality or very strong, are no longer available. Since the new weatherboard will cover the holes, now may be an opportune time to replace the old hasp. See below for the high quality, stainless steel hasp with a twist eye used on all of the newer Catalina sailboats.
Please verify measurements of your weatherboard before ordering.