This is a replacement screw (punch) for the larger side (the black handled side) of the screw down hole punch
. If your tool ever gets abused or just tired out and the larger side breaks, you can replace it with this part.
FREE DOMESTIC SHIPPING on orders $35 or more: Just use coupon code: JULY2018
this item saved me a lot of money, I had used my last one so much ..it was getting dull. So thanks for offering these.I would recommend have one on hand.