The stanley 60m200ft open reel fiberglass tape has a 13mm wide durable fibreglass blade with easy to read markings in both metric and imperial graduations the blade s non corrosive printed on both sides for easier reading and resists fading its high visibility yellow abs case makes it easy to find on the job site and there is a bi material grip for comfort the folding rewind crank with rotating fingertip knob makes blade rewind smoother and easier