Product Description TOPTUL 5mm Number Punch Set TOPNGAW0905 Features Chrome vanadium steel material Hardened and tempered striking head Set of 9 punches with numbers from 0 to 9 (invert number 6 to be number 9) Packed in a sturdy plastic case Specifications Number Height: 5mm (3/16″) Square: 7.93mm Length: 61mm