Cast-metal case is durable and suitable for heavy-duty use
Mylar® polyester film extends life of entire blade
Secure blade lock won't creep during measurements
16" and 19.2" stud center markings simplify framing jobs
Corrosion-resistant Tru-zero end hook for accurate measurements Mylar® is a registered trademark of DuPont Teijin Films for its polyester film. Only Dupont Teijin Films makes Mylar® polyester film.