30 ft. Stanley Lever Lock 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.
Information from back of packaging:
Write on label for repeated use with carpenter pencil
Blade locks automatically. Squeeze bottom lever to retract blade.
Tru-Zero hook for accurate inside and outside measurements
Made in Thailand