The magnetic labels may be applied to most metal surfaces such as canned goods, metal cabinets, metal drawers, metal doors, metal railings and more. Fits Braille slates, Dymo and 3M Braille labelers. 1/2 X 96. NOTE: Because this tape is magnetized, you are strongly advised against using it for labeling audio or videocassette cartridges, television or computer monitors, credit/ATM/phone cards and other items that are sensitive to magnetic fields. Please use any of our non-magnetized, adhesive tapes for labeling these items. BRAILLE LABELER NOT INCLUDED.