Stanley Hand Tools 33-116 16' x 3/4" PowerLock Tape Measuring Rule (4pk). This PowerLock Tape Rule has a 12' x 3/4" blade. Coated with mylar polyester film for added durability. Heat treated spring for longer life. 16" and 19.2" stud center markings on blade for framing purposes. Easy reach blade remains rigid for 7'. Positive blade lock will not creep while taking measurements.