Ketchum tamperproof tags are ideal for Government and Associations as they are the most dependable and economical tags available. Stamping of initials or name and address is done on the back (SHANK - side with holes). Consecutive numbers are stamped on the front (FACE: side with point). Tamperproof tags are made of steel and are most suitable for Cattle, CERVID and other large frame herds. They are 35mm x 8mm (1-3/8" x 5/16"). Tamperproof tags can be consecutively numbered with up to 9 numbers on the FACE. They can be stamped with up to 10 letters in one line or up to 8 letters in each of two lines on the SHANK. Minimum order 1000. Made using coloured steel.