Powerlock II Power Return Rule, 1" x 25 ft, Chrome/Yellow Secure lock helps prevent blade from creeping during use 16" and 19.2" stud center markings simplify framing jobs Special Tru-Zero hook does double-duty as a pivot for drawing circles and arcs. Three-rivet, corrosion-resistant hook for accurate inside/outside measurements. Mylar® coated blade for extra durability 1" wide steel blade remains rigid up to 7' for easy one person use Heat-treated spring for repeated use Belt clip on back of case for easy accessibilityOur Price Buys you: 1