100 ft. Lufkin 100 Tape Measure comes with Certificate of Traceability to NIST (National Institute of Standards and Technology).
These tape measures have been carefully selected and verified for end hook accuracy at the 6" calibration lines. End hook accuracy +/-.005", with NIST Certificate, blade accuracy +/-1/32".
Information from back of packaging:
3:1 Gear ratio for fast blade retrieval
High-Impact ABS case with non-slip grip
Premium steel blade rsists kinks
Made in China