Originally Posted by BettyZ

Looking to put one of my pneumatic outlet blocks near ground level on the wall of the garage. Want some sort of protector on either side that will:

a) prevent me from banging something into the coupler attached to the block
b) not hurt like hell when I inevitably bang my foot/shin/face into the protective item.

I was envisioning something like a half hemisphere that could screw into the wall. Anyone know if something like that exists out there?