The Stanley Powerlock 30-Foot-by-1-Inch Measuring Tape provides positive blade lock with no creeping. A special Tru-Zero hook does double-duty as a pivot for drawing circles and arcs. For longer life and durability, this tape measure features a Mylar polymer-coated blade, a heat-treated spring, and a durable chrome-plated plastic case. Trust Stanley to deliver the tape rule that"s right for you. See the full line of Stanley tape rules. A three-rivet, corrosion-resistant hook stands up to continuous use and a convenient belt clip is fastened on back of the case for portability. A handy write-on label and slide lock up front are included for easy operation. The tape blade measures 30-feet-by-1-inch with up to a 7-foot standout. To simplify framing jobs, the bright yellow, easy-to-read blade has 16-inch and 19.2-inch stud center markings. The tape rule comes with Stanley"s limited lifetime warranty. About Stanley PowerLock Tape Systems With a classic design and updated features that add durability and performance, the PowerLock line of tape measures is the perfect balance between classic Stanley design and the best innovations in tool manufacture.