Patch retrieves the requested screwdriver. Then she looks at it in her hand. Then she looks at the back of Peter's head. Oh man, she is going to be so furious if this doesn't work - with Peter for lying, but mostly with herself for buying it and then harming a teen.

She lobs the screwdriver at his head. It's a softball pitch, underhand, and very carefully released to put absolutely no spin on it, the heavier handle of the tool leading. If it does hit Peter, at least it won't be with the pointy bit.