Our letter punch is well designed with advance techniques using well-tested material in total compliance with set industry norms. The full set of 27 punches is supplied in a sturdy carry case. Our letter punch undergoes on stringent test that is performed by our quality experts. Security marking, personal tool or equipment identification plus maintenance marking are just some of the many uses for these quality Letter Punches. Ideal for stamping most metals, these are a worthy yet economical toolkit addition.