Perfect size, wrong squared shape. Won't fit!

A handy person from Reno, NV says:
March 3, 2018
Hello,
I just ordered this lock and the screws have the correct placement, etc. but the part of the lock that is inserted into the door is more squared then the door opening (and the steel insert that is already placed inside of the door). The insert and door opening are ovaled at each end.

Please advise?
Ainsley
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Tom from SWISCO responded:
March 6, 2018
Thanks for posting, Ainsley. It should still install, you just have to kind of angle it in. See our video below on how we install a similar lock.
Mortise Lock, 5-3/8"
Mortise Lock, 5-3/8"
82-227
$14.94
How to install the 82-218 Mortise Lock
How to install the 82-218 Mortise Lock
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