I've been continually modding little by little my desktop for about a year now and I'm about to add water cooling to the mix; however, I am looking to find what those small holes on the back of some cases are called with the plastic guards... usually used for watercooling pipes and/or random cables.
I'm just looking for a name, but if anyone knows where I can buy a couple, that would be even better! : D
Here's a pic. They're right at the top: