Imprint size max. 1-1/4" x 2-3/16" (33mm x 56 mm) Trodat Professional self-inking stamp makes an impression in multiple colors. Unique laser engraving process cuts and inks the internal ink pad to produce the 2, 3 or 4 color design you specify. 16 ink colors available to choose from. Minimum space between colors 0.1" (2.5mm.) Custom cut ink pad is built right into the stamp.