This easy-to-read Power Lock heavy duty tape measure features a 12 feet blade that stands up to tough use. The blade is coated with Mylar polyester film which minimizes friction, resists abrasions, and helps extend blade life. The Tru-Zero end hook ensures precise measurements. Cast-metal case is durable and suitable for heavy-duty useMylar polyester film extends life of entire bladeSecure blade lock won't creep during measurements16 in. and 19.2 in. stud center markings simplify framing jobsCorrosion-resistant Tru-zero end hook for accurate measurements3/4 in. x 12 feet sizeBelt clip is fastened on back of case3/4 in. x 12 ft. blade