This is advice from an old man who has been married for more than 50 years.
Regardless of whether or not the tool works, the much more important thing is to thank and praise your wife for obtaining the tool for you. She needs to be loved and spoken kindly to about her thoughtfulness.
If you can exchange the tool at Lowe's or not doesn't make a bit of difference in the larger picture. I have quite few tools that my family has bought for me that I seldom (if ever) use, but they don't have any idea that it isn't absolutely the best thing I've ever received.
Love her. She's more important than any tool that has ever been made.
At least, that's this old man's perspective.
Tom in TN