Stamp tool for leather craft All our stamps are made of brass and have permanently attached steel handles. The designs are unique, created by our team. The prints are very sharp and clean; every single stamp is cut using CNC machine. You can use our stamp for stamping on wet vegetable-tanned leather, stamping with a hammer. Thickness of leather not less than 2,2 cm. If you use leather less than 2,2 cm, please add one layer under. You can use our stamps for printing on chromed leather, you will need to heat up a stamp. Size for every stamp you can see on the picture or in the name of stamp. made of brass.