The shell is made of high-strength bakelite cloth through hot pressing, featuring strong firmness, a smooth surface and natural patterns. The tape blade is made of high-strength thread weaving with 5 copper wires inside, which has strong tensile resistance. The surface is printed with imported ink, and dirt on the tape blade can be cleaned with water. It is a JIS Class 2 tape blade. Tape blade tension: 20N/20¡æ. It can be used for measurement of land, wood, construction, coasts, rivers, roads, sites, etc.