"U" shaped cutouts on a PC Case

El Moriana

I'm asssuming most people have opened a PC case at some point.

What are the "U" shaped cutouts lining the edge-flanges of the case there for?
There are also curious little raised circles on the inner part of the "U" shapes. I've always noticed them but I've never known what they actually do.

Does anyone know?

rcgldr

If you mean the rubber or plastic material used to cover the internal edges of the case, it's because those metal edges are sharp, and those edge covers prevent people from getting cut or scratched when working on stuff inside the case.

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El Moriana	"U" shaped cutouts on a PC Case Tweet I'm asssuming most people have opened a PC case at some point. What are the "U" shaped cutouts lining the edge-flanges of the case there for? There are also curious little raised circles on the inner part of the "U" shapes. I've always noticed them but I've never known what they actually do. Does anyone know?

rcgldr Recognitions: Homework Help	If you mean the rubber or plastic material used to cover the internal edges of the case, it's because those metal edges are sharp, and those edge covers prevent people from getting cut or scratched when working on stuff inside the case.