Lufkin FM030DM 13mm (1/2") x 30m (100') Engineer's Fiberglass Tape Measure, 10ths/100ths and Metric Open four-arm frame design protects blade, does not trap dirt in case Lightweight but strong case is easy to handle and rewind Two-material grip is comfortable to use Hi-Viz orange case is easy to find on the job site Folding end hook for true-zero measurments