38mm diameter traffolyte round valve tags (black text on white background). Sequence 51 to 75. Traffolyte tags are 1.6mm thick with 5mm fixing holes located 5mm from the top of the tag. High quality engraved valve tags can be used with pipe marking identification to help you comply with company legislation. Tags come in packs of 25 with sequence numbering and/or 5 characters. Ball chain available in various lengths sold separately.