Door lock for sliding glass doors

A quick learner from Pawley's Island, SC says:
The only marking I see is the acorn dorwal.
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Lauren from SWISCO responded:

Hello, thank you for posting! 

Please start by reviewing the 82-055 Acorn handle set that has a 3-1/2" hole spacing from center to center. Let us know what you think and if you have any questions. 

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How to maintain a sliding glass door
How to maintain a sliding glass door
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