Hi, I'm not sure which is the right model of this, building was built in 1980 west Palm Beach fl.thxs
Tom from SWISCO responded:
October 3, 2017
Hey there! Thanks for shopping with us. It looks like your could use our 82-002 lock. As far as the roller goes, take a look at our 81-046. Compare our measurements to yours and let us know what you think.