With a Tru-Zero end hook, a Mylar-coated blade and a secure blade lock, the Stanley Power Lock 25 feet measuring tape rule ensures precise measurements and long-lasting durability.7 feet blade standoutMylar polyester film extends life of entire bladeRemains rigid up to 7 ft. for hard to reach measurementsLife Guard yellow blade has large, easy to read numerals and stud markings every 16 in.16 in. and 19.2 in. stud center markings simplify framing jobsLightweight comfortable case is durable with easy to operate thumb lock that holds blade firmly in placeBelt clip is fastened on back of case1 in. x 25 ft. blade