Trodat Printy Dater 46145 1-3/4" diam. 

• A round, lightweight self-inking date stamp - ideal for on the move.
• Comes with protective cap to keep your pocket clean!
  
• With a circular impression of 1-3/4" diam, you can include a maximum of 4 lines of customized text alongside the printed date.
• The date is 1/8" (2.8 mm) high and prints month (in letters) day and 12 consecutive years in figures.