Customize your jewelry with sturdy steel metal stamping sets in both lowercase and uppercase fonts. Choose from 27-piece alphabet stamp sets, 9-piece number stamp sets and 36-piece alpha-numeric sets that include both numbers and letters. Letter heights range from 1/16" (about 1.5mm) to 1/2" (about 13mm) giving your jewelry stamping flexibility! Our letter and number stamps now come in Premium stamp sets for use with steel blanks, and inexpensive Basic/Economy sets (great for starting out), as well as our original standard sets. For precious silver designs, use "Sterling" and ".999FS" stamps to let your customers know your jewelry is made from high quality materials.