Shoe with lock cam I believe 9/16x2x1 1/4

A home owner from Living room says:

I need 2. Is there a left and right or both sides the same

9/16 x 2 x 1 1/4 with lock

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Tom from SWISCO responded:

Thanks for posting. Our 15-121 is 1-1/4" wide by 9/16" thick, but I don't think this is the right match for you. Can you confirm the thickness? I want to be sure it's not more like 17/32". If it is, then I would recommend our 15-015 instead. 

These are the same for both the left and right.

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