Board Thread:Questions and Answers/@comment-30966312-20180814013025/@comment-43557733-20200919031514

Stands are clearly not incorpereal as you cannot deactivate you stand when it's on the other side of a wall or trapped in a jar.

Star Platinum is the only stand ever shown phasing, and it was only through thin glass or a human being. It's possible that Star Platinum's precision allows it to move it's hands through objects.

Space ripper stingy eyes would just hit his chest and he wouldn't even feel it.