Sequential Numbering machines will make your life easier when you have many documents that need to be in sequential order. Our 20MB600 is a 6-wheel Economy Numbering Machine. This light duty B600 series numbering machine has a high impact black plastic frame, smooth plastic handle, and special alloy wheels. In addition to producing thousands of impressions per day using a self-inking felt pad (red or black ink), this numbering machine has a drop zeros feature for blanking out leading zeros. With Roman characters 3/16" in size, the 20MB600 stamp provides multiple standard movements found on all Bates numbering stamps: repeat; consecutive; 2x, 3x, 4x, 5x, 6x, 12x, and 20x character advancement. Also included with stamp is a stylus to manually adjust wheel settings, if desired.