Powerlock® Tape Rules Wide Blade, 3 4 in x 5 m 16 ft no checkout loops solid and stranded wire Spring loaded loops solid and stranded wire Spring loaded action for self opening Easy to read wire gauge markings on both sides for stripping in either direction Hardened steel with precision ground stripping holes Black oxide finish resists corrosion Versatile can be used with most ductile irons and steels 7 ft blade standout Mylar® polyester film extends life of entire blade Chrome high impact ABS case is job site tough Secure blade lock won't creep during measurements Corrosion resistant Tru zero end hook for accurate measurements