This is a dual purpose tape which provides a 100% accurate inside measurement.  Use the number on front of tape to obtain measurements for outside mount blinds.  The numbers on front and back of tape are not the same as most other tape are.  This measuring tape is designed to obtain 100% accurate inside measurements quick and easy.

• • Pattern: DT12
  • Name: Blind Measuring Tape
  • Features:

    Number on back of tape are for inside measurements while numbers on fron of tape are for outside mounts.