Better Pack models BP555e series electronic gummed tape dispensers.
This part rarely fails. If the tape is not feeding properly check the lower feed wheel adjustment.
BP555eS - 6-45" in 3" increments.
BP555eSA - 6-45" in 3" increments with automatic features.
BP555eL - 12-90" in 6" increments.
BP555eLA - 12-90" in 6" increments with automatic features.