30 ft. DeWalt 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:
10 ft blade standout increases users reach
Recessed design protects lock button from impact
Oversize numbers and 1/8" markings on blade allow for quick reads
Reinforced housing for improved durability
Made in Thailand