These wing tags are primarily for day-old chicks. Excellent identication protocol - light weight yet strong. Dimensions: 5mm x 17mm (3/16" x 11/16") when sealed. Tags can be stamped with four letters on the SHANK (side with the hole) and/or up to 6 consecutive numbers on the FACE (side with the point). Coloured (red or green) aluminum. Use model KIOC applicator to apply tags. Minimum order 100 tags.