Spring Tools 39 Pc. Industrial Grade ID Stamp Set allows you to permanently mark tools, equipment, parts, and projects with easy-to-see 1/4" high characters. This professional-grade I.D. stamping set requires no hammer, making it safer and more accurate than traditional stamping methods. Crafted from industrial grade hardened steel, it delivers an impact force of over 5,000 P.S.I., enabling you to stamp on mild steel, soft metals, wood, plastics, leather, and other hard surfaces. The permanent marks are i for anti-theft identification and other important ID tasks. Its spring-mounted striker ensures precise strikes without jumping or double marking, making it for use in confined spaces. The driver features a ball bearing retainer ring, and the interchangeable bits are clearly marked for easy alignment. This patented tool is proudly made in the USA. The 39-piece kit includes the Spring Tool Driver, letters A through Z, numbers 0 to 9, an ampersand (&), an asterisk (*), and a heavy-duty storage case with foam lining for convenient organization. Model Number: