My wife and I were discussing replacing the 20" white runner type drawer slides in our kitchen with full extension slides. Naturally this discussion morphed into full extension then to self-closing and soft close full extension. I was looking at the KV brand slides on the wwhardware.com site (http://www.wwhardware.com/kv-8450-so...lides-kv8450fm) and noticed that the soft close slides had the statement "12" slide extends 10-1/2". As I thought about this, the question arose, are these truly full-extension slides? It seems that the rear of the drawer will not come out to the face frame? Is this just something applicable to the KV or is this common to all soft-close slides? We went to the BORG and they had some display models which did extend past and had the soft close feature. Any help and insight is greatly appreciated.