Fiberglass tape measure features a durable fiberglass measuring tape enclosed in a sturdy closed reel casing.With a hand crank for easy winding. Two-sided printing with fractional/decimal formats for accurate measurement. It is professional fiberglass tape measure for survey for roads, railways, electricity, construction and so on. Wintape 50 meter fiberglass surveyors tape measure is a ideal tool that you need for any large measuring job. With large and clear number marking, metric and inch graduation,this surveyors tape measure is easy to read. This tape measure is made of a double coated fiberglass blade that is resistant to stretching so it stays accurate. The manual crank makes it easy to retract the tape, so it's never troublesome.