All CWT are 0.25 mm in diameter and

All CWT are 0.25 mm in diameter and are
etched with a series of decimal numbers 0.16
mm tall. Four lines of repeating decimal
numbers are etched along the wire from which
each tag is cut, at 90o intervals around the wire.
Five formats are available: standard, half-length,
one-and-a-half length, sequential, and agency