The Number Punch is designed with precision utilizing the high grade components in compliance with quality standards. The full set of 9 punches is supplied in a sturdy carry case. This punch is given in various stipulations to meet the specific demands of our patrons. Security marking, personal tool or equipment identification plus maintenance marking are just some of the many uses for these quality Number Punches. Ideal for stamping most metals, these are a worthy yet economical toolkit addition.