I would like to order keys for our basement Sliding Glass Door - Herculite K (Swisco.com)

A home owner from Annandale, VA (DC Metro Area) says:
Good afternoon and Happy 2016.

We just bought a house in the DC metro area and noticed that the basement glass sliding door was a "Herculite K" model and included a lock. However, the previous owner did not leave us with any keys.

Would it be possible to purchase a set of keys for the lock/door?

Attached are pictures for the screen door. I'm not sure if this is enough information so just let me know if you need anything else. We are not very handy so more detailed your recommendations/instructions the better.

Thank you,
User submitted photos of patio door hardware.
Profile picture of Paul
Paul from SWISCO responded:
I recommend looking at our 82-310 key lock. You would need to unscrew your handle from the door, then knock out the old key tumbler from the outside handle. I also recommend cutting the tail of the new lock to match the old, while you have it out. That way you're sure they're the same size. Insert the new key tumbler in the outside handle and rescrew the handle back on the door.
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