This hammerless jackhammer hits small metals consistently with no kickback. This is one of several head sizes in their range. It comes with a loose center punch that looks like any other sharp punch, like a very large nail. If you didn't already have a hole punch in your arsenal, it's very useful for marking and starting holes, as well as notching/notching surfaces (e.g. to mark where you're going to cut). The pen works, but I feel uncomfortable in my hand and the pen is ugly. I don't think that's a reason not to buy it, but I don't really like the grip.