It is used for foot protection of dangerous work, and has the properties of waterproof, non-slip, stab-resistant, steel bottom plate, light and firm. There are obvious reflective signs. In line with GA633-2006 standard, the quality is 1.7kg, electrical insulation performance: leakage current: left 0.36mA, right 0.48 mA, and the bottom piercing resistance of 1241N.