After your drill a hole. There is some sort of protective rubber or plastic grommet you insert into the hole. As if it would be protecting damage made by pulling a wire or rope through the raw hole.
Do they have a name for it. Is it found in the electrical section?
Or what do the call it?

metal stud snap in bushing electrical - Google Search (http://www.google.com/search?q=metal+stud+snap+in+bushing+electrical&rls=com.microsoft:en-us&ie=UTF-8&oe=UTF-8&startIndex=&startPage=1#q=metal+stud+snap+in+bushing+electrica l&hl=en&tbo=u&rls=com.microsoft:en-us&source=univ&tbm=shop&sa=X&ei=hRjXUPnvLpO89QS9joCoDg&ved=0CJ4BELMY&bav=on.2,or.r_gc.r_pw.r_qf.&bvm=bv.1355534169,d.eWU&fp=d1e8f4a6aa552925&bpcl=40096503&biw=1280&bih=662)
And:
http://www.sustainablesupply.com/Arlington-SB130G-Bushing-For-Metal-Studs-1-3-10I-p/w232775.htm?gclid=COOnxv3hsLQCFQSqnQodzngAgA&CAWELAID=1331073226&cagpspn=pla

A couple of examples, Merry Christmas.

That is exactly what I mean. Merry Christmas too