Stamp punch, tempered chrome vanadium steel, average stamp size is about 1/4 inch, or approximately 5-6mm's

Tool length 2-3/4x3/8 inches

Customize jewelry design by using a tempered chrome vanadium steel stamp punch. Can be used to stamp metal, polymer clay, Art Clay, plastics and many other materials. Stamp is tempered to 51-55 HRC rockwell hardness. Stamp tool measures 3/8 inch wide, or 10mm with a square shank for an easy grip.