SILVERLINE 12MM WIDE CLOSED REEL FIBRE TAPES.MULTIPLE STRANDS OF FIBREGLASS COATED WITH PVC THE TAPE IS IMPERVIOUS TO WATER &CREASE RESISTANT. METRIC/IMPERIAL GRADUATIONS CONFORMS TO EEC CLASS 2 ACCURACY (FOR FIBRE TAPES).METAL END HOOKS & CLAW.TOUGH STEEL CASE WITH VINYL COATING