Kurl-Lock #3 tags are the most dependable and economical backup tag for pig, goat and sheep. Available plain or coloured steel for pig and goat and in plain aluminum for sheep. 29mm x 8mm (1-1/8" x 5/16"). They can be numbered with a maximum of 6 digits on the front (side with point). And they can be stamped with a maximum of 5 letters on 1 line on the back (side with holes). Minimum order is 25 pieces. Volume discounts for orders over 100 and 1000 are available.