This Stanley Tools PowerLock Metric Tape measure is twice as useful for all your projects. The blade has mm and centimeter on one edge and U.S. customary inch and feet on the other. It is sturdy and durable, because it is coated with a Mylar polyester film. This 16 inch Tape measure has a heat treated spring for reliable performance and the locking blade facilitates your measuring tasks. Using the Tru-Zero hook with a nail as a pivot point, accurate circles and arcs can be marked. The integrated belt clip keeps this tool conveniently at hand. This Stanley tape rule is 3/4 inch x 16 feet, with a plastic case and chrome outer and 1/16 inch 1 mm graduations.