Woven fibreglass tape with moisture-proof coating of polyvinyl chloride assures durability and protects against oil or chemicals. Can be immersed in water without adverse effects. Black figures on a yellow background are easy to read. All metal parts are nickel-plated for protection against rust. End-hooks are permanently attached to a reinforced strip. Case and reel are ruggedly built, yet lightweight and comfortable to use. Tape line is graduated in feet and inches to 8ths. Graduations and numbers are black foot markings are red. Contained in an open reel and is easy to handle and rewind. Line will not collect dirt or bring debris into the case.