The Stanley 11-221 produces a standard five-point star pattern for use in a variety of applications, including fastening joints such as drawers, boxes, and cabinets. It is a heavy-duty professional grade punch that is ergonomically designed to create perfect 5-point stars in metal up to 5/32 in. thick. The 11-221 is also great for automotive repair, fabrication and manufacturing work. It can be used with a variety of punches and dies to create patterns including a cross, butterfly, diamond, and more. The 11-221 is made of industrial-grade materials, designed to last and built to withstand the toughest use.