Yeah, they are not going to appease a local scout. Although the local scout may have more feel for a local kid.
From NFL.com overview:
A five-year starter, Kramer is a zone-scheme center who moves fairly well but lacks the body control and core strength to win battles against NFL interior linemen.
So, you have a center that fits the scheme that needs development and to hit an NFL training room. Sounds about right for late 6th.
Wouldn't shock me if this is a guy that they stash on the practice squad or IR to get training room work in for a year.