Trying to find white replacement door latches 4 Double sliding glass door.

A quick learner from Florida says:
I wI want to replace these old corroded latches with white ones. I want a key on the outside. The mounting holes are 6 5/8 Center to center. They are 7-1/4 tall and 7/8" wide. If you could help me locate replacement part numbers it would be greatly appreciated.
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Lauren from SWISCO responded:

Hello, thank you for posting! 

Please start by reviewing the dimensions and style of the 82-002WK handle set with keyed lock. Please let us know what you think! 

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