Powerlock rule features blade lock, 1" wide x 25-ft. Mylar-coated yellow steel blade, stud center markings, chrome case and belt clip.
- Secure lock helps prevent blade from creeping.
- 16" and 19.2" stud center markings.
- Special Tru-Zero hook does double-duty as a pivot for drawing circles and arcs.
- Three-rivet hook moves for accurate inside/outside measurements.
- Yellow steel blade remains rigid up to 7 ft. and is coated with protective Mylar polyester film.
- Chrome case with belt clip.