Tools & hardware - general stanley® powerlock® tape rule. Designed with the professional in mind. Secure lock helps prevent blade from creeping. Includes 16 and 19.2 stud center markings. Special Tru-Zero hook does double-duty as a pivot for drawing circles and arcs. Three-rivet corrosion-resistant hook moves for accurate inside/outside measurements. High-visibility yellow steel blade remains rigid up to 7 ft. and is coated with Mylar for durability. Extra-tough chrome case with belt clip for easy portability. Tape Measure Type: Locking Rule; Blade Length: 25 ft; Scaling System: Standard; Blade : Steel. This stanley bostitch powerlock ii power return rule 1 x 25ft chrome/yellow is a great tools item at a reduced price under $50 you can t miss.