did nor see any markings. condo was built in the mid to late 7 ds

A quick learner from southbury ct says:
looking to convert this to a keyed access. the door is 1 inch thick tha mounting holes are 6 1/2 center to center. please advise correct replacement unit or lock cyl to add. thanks
User submitted photos of patio door hardware.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
Our 82-001K keyed lock handle set looks close to what you are showing us. Take a look and see if this is a match.
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