Cooke No. 4 Rotary Bank Teller Dater is popular with banks because has no rotating bands to wear out. Cooke No. 4 Rotary Bank Teller Dater is designed for hard and arduous use. The outside dial of this dater has the days of the month from 1 to 31. Just turn the dial to change the date. Once a month insert a rubber month insert (provided), and once a year change out the date insert (provided) with tweezers which also come with the Rubber Dater Teller Stamp. Dater requires a Rubber Stamp Pad. Perfect for use by Bank Tellers with Bank Name, Teller and Teller number below the date. Any custom wording can be put on center dial such as PAID or RECEIVED. Inner print area of the Cooke No. 4 Dater is about 1 inch wide by 1/2 inch tall space. The total outer circle of the dater however is about 1-5/8 inches. Remember to order a Rubber Stamp Ink Pad.