This 36pc set includes the alphabet, numbers (0-9) and the "&" symbol. Designs can add value and interest to silver, brass and other metals. Their usage also gives an artistic effect and enables the designer to personalize each piece. Stamps are made of tempered steel for years of service, and for decorating all types of jewelry items. These sets are economical, compact, extremely useful, and come to you in a durable plastic box. Punches are 2-3/8" in length with a character height of 1/8" (3.0mm).