Specifications are printed on each ruler to make it clear and easy to read The ruler body is soft and rust-proof, and the single piece has strong toughness, which is suitable for various working environments. The metal surface is coated with anti-rust oil, the feeler gauge has no rust, and it unfolds smoothly without being stuck 360°rotation is easy to expand and contract, more convenient to carry and store Heat-treated spring steel sheet spring forging ruler, chrome-plated shell, large nut connection, wear-resistant Curved head, no burrs on the edge The head has a special curved design, and the surface of the edge feeler gauge is smooth and clean to ensure that hands are not hurt when in contact, Manufacturer: ZKLGS