This PowerLock® 30 ft Tape Measure has all the features you need for precise measurements every time. With its Tru-Zero® end hook, you can draw circles and arcs, and framing a wall is made easy with 16” and 19.2” stud center markings. Mylar® polyester film extends the life of the entire blade Chrome high-impact ABS case is job site tough Secure blade lock won't creep during measurements Corrosion-resistant Tru-Zero® end hook for accurate measurements