Fenestra casement operator

A quick learner from Fullerton, ca says:
Need some of these have tried some Home Depot aftermarket but don't last long! The screw holes measure 41/4" and the length is 9" and the name on the unit is fenestra on early 1950 steel casement windows that are about 2' wide and 3'6" tall
User submitted photos of a window operator.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
Looks like you have the original Fenestra casement operators. These aren't available anymore, but we do carry a possible replacement. See our 39-344 and 39-358 operators. I think they should hold up better than the generic operators, but nothing lasts like it did back in the day.
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