Multiple models and wide applications。The worm rotates smoothly without jamming.。Large torque, strong toughness, electroplated surface, anti-rust。Marked with clear scale, convenient and quick operation。Purpose:Used for industrial, auto repair and other machine maintenance。specification:Material: 45#steel/carbon steelDimensions (unit: mm): total length, maximum opening depth, head outer diameter width, head thickness, maximum handle widthProduct specifications and dimensions are shown in the figurePackage includes: 1 *Universal wrenchnotes:Please understand that due to differences in lighting or computer monitors, I cannot guarantee that the photos and real colors are 100% the same.Due to different measurement methods, there may be a deviation of 1-2cm.Product is compact and easy to carry.