The tape consists of a very thin steel strip with a plastic coating or fibre glass.The lengths for such tapes are 20m, 30m and 50m. The Tape
At the beginning of the tape there are two different versions. In the picture you can see there are tapes, that have the "zero" approx 10cm off retainer r ing is removed (1), and which has the zero at the retainer ring. (2)
Daniela Kleine, Fabian Reeseback
VT 99 10.07.2000
English version:
Nadine Bredehlöft, Antje Tilsner
VT01 10th June 2002