CUSTOM Steel HAND STAMP ~ Mark Gold, Platinum, Silver & Copper Jewelry/Bullion. Metal Smith, Blacksmith, Goldsmith, and Silversmith ~ Your Logo/Design also available. Please see description. Used for hand held hammer-struck applications. Stamp anything you own, whether for business or personal use. Permanently mark any type of metal, steel, leather, plastic or wood. Common uses are for marking Tools, Manufacturing/Product Identification, Jewelry, Precious Metals, Anti-Theft Prevention, Pottery,etc... Any of the above 8 Model Numbers shown are available at the same listed price. Character(s): Up to 15 CAPITAL Letters, Numbers, or Special Keyboard Characters. Impression Size: Up to 1/4" (6.5mm) Square, Depending on Model Ordered. Material: A2 Tool Steel Hardened to 58-60 Rockwell with Crowned Hammer Striking End. Overall Dimensions (Inch): 3/8" Square x 3" Length OR 1/4" x 3/8" x 3" Length. (Depending how many lines/model ordered.) Overall Dimensions (Metric): 10mm Square x 100mm Length OR 7mm x 10mm x 75mm Length. (Depending how many lines/model ordered.) If a different size stamp is required please visit our other listings.