1) Entire blade coated with Mylar polyester film for added durability.
2) 16" and 19.2" stud center markings simplify framing jobs.
3) ABS, shock proof, chrome steel case.
4) 3 rivet, corrosion resistant hook moves for accurate inside or outside measurement.
5) Forward blade lock design simplifies locking and unlocking the blade.
6) Wear plate protect case from cuts and nicks.
7) Belt clip on back of case.