metal Plunger Pin Latches
A quick learner from Atlantic Beach, NC says:
March 14, 2016
What is the metal of the plunger pins? Being located ~150ft in from the surf, all of the original aluminum pins of my MW Twinseal window screens, on the ocean side, had corroded and seized by the time I bought the place 5 years after being built.
Dave from SWISCO responded:
March 16, 2016