The pills you have are
Tramadol HCl 50mg (generic for
Ultram) by Corepharma.
Imprint cor 127 , white, round, film-coated.
There is a description (but no image) in the product label on the FDA website.
Tramadol is a pain relieve used to relieve moderate to moderately severe pain.
Info at
http://tramadol.drugs.com/