Safety Material ：It is made of nylon PA66 modified with high quality flame retardant insulation material, guide strip is electrolytic copper (surface tin plating); Which has the advantages of long life, corrosion resistance, aging resistance, high pressure resistance , insulation and flame retardant; The lever wire connectors can be used up to an ambient temperatures of 105°C, better conductive properties. Package include： PCT-213 (50 PCS)Conductor Compact Connectors transparent tool box packaging.