1. 3 kinds of materials to cope with different measuring environments
2. Labor-saving hand-pull ring design, multi-purpose, easy to use
3. Clear and accurate scale, every 1 meter a steel plate engraved scale, solid scale, not easy to wear and tear
4. Thickened and wear-resistant, sturdy and durable
5. Steel wire covered with rubber: outer layer covered with rubber, built-in steel wire rope, non-slip and wear-resistant plastic exterior, steel wire inner bearing force, durable
6. Steel wire models: smooth surface without burrs, corrosion and oxidation resistant
7. Nylon models: multi-stranded nylon wire braided outer skin, wear-resistant and durable, high temperature, the middle layer of plastic, the interior contains 3 stainless steel wire, solid measurement type does not shrinkage
8. Length: about 30/50/70/100m