Case feet

grabcad

You'll want to consider that the rubber part measures exactly 1 and 1/8 inches in diameter, but if it comes in a cylindrical form, you'll have to drill a precisely-sized hole, which is about 5mm in diameter. This makes it highly feasible to mount this item onto computer cases or other objects requiring stable bases using adhesive for extra security on top of the mounting surface, saving you the trouble of making an unnecessary hole.