The CRESCENT LUFKIN FM050CM 50 m Tape Measure is the ideal tool for measuring long distances. 50 m Tape Measure, 13 mm Blade If you are looking for a durable long tape measure that will stand up to heavy use, this CRESCENT LUFKIN FM050CM 50 m Tape Measure is just what you need. It also features a 1cm metric graduation type, which makes it easy to read measurements. The fiberglass blade has yellow markings on a black and high visibility orange case.