Tougher case. Tougher blade coating. Tougher hook connection. The DeWALT® extended performance (XP™) tape measure is our toughest ever. The XP™ tape measure is built around our Dual-Core™ technology - a patented spring system that utilizes two retracting springs in a impact-resistant, heavy duty case. DeWALT® Measuring Tape, Series: XP™, Measuring System: Imperial, 35 ft Blade Length, 1-1/4 in Blade Width, High Carbon Steel/Yellow Thermoplastic Coated Blade, Graduations: 1/16 in, 16 in Markings, 13 ft Standout, Automatic Rewind, Slide Lock/Screw-Free Belt Clip Locking, Closed Case