I have a 6' aluminum patio door with just a handle with a latch, about 8years old.

A handy person from Westfield Ma. says:
I would like to put a handle with a keyed lock. The markings on one of the old outside handle is 20 57 and on the other handle is 1060 1943 small hole spacing is 3 15/16" and the larger hole spacing is
1 1/2".
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Tom from SWISCO responded:
I don't know exactly what you have, but based on your dimensions I would say there are a lot of possibilities. Our 82-069 may work. You could also use our 82-310 as a key lock. Look it over and see what you think.
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