Automatic Numbering Stamp - Impression Size: 1/4" x 15/16". The self-inking automatic number stamps have a 7-action 6-band operation so they can work by consecutive, duplicates, triplicate or repeat. It has a tough metal frame and a durable, comfortable plastic handle to withstand even the most demanding work load. Automatic advance and comes in black ink. Use Xstamper Refill Ink Item# 22112 to re-ink your stamp.