Scorpion Protect valuable equipment. Stamp your name, initials ID on most all surfaces with this hardened steel marking set. The special high-carbon steel stamps will endure A LIFETIME OF WORK. The 5/32 - (4mm) high characters numbers 0-8 (turn the 6 upside down for the number 9). The complete set is organized in a protective case. Permanently mark valuables and important equipment; great way for craftsmen, jewelers, manufacturers,artists and hobbyists to identify their handiwork. Punches mark on hard and soft-wood, gold,silver,copper and most of metals.