Cuts holes and sets grommet in one operation! Premium self piercing grommets have a sharpened edge for superior piercing ability. Washers are made with a patented design with small teeth and a channel to prevent slipping and provide extra holding power.
Use with the PNS-2 Press-N-Snap Tool
http://www.perfectfit.com/product.asp?Product_id=154459
and SP style dies
http://www.perfectfit.com/product.asp?Product_id=154460