Thread Specification Metric, PG Thread Product Material Nylon PA6 with silicone rubber seal Color Black, can be customized Working Temperature -40°C-105°C, short time 120°C Fireproof Level UL94 V0 Features The four bumps on the cap will interlock with the main body groove which can effectively solve the damage caused by vibration convolution. The eight claw on the top will cling to the corrugated shape to strengthen the tensile strength. Besides, the wave shape design of the seal reinforces the watertight protection level. 1, Choose the corresponding connector and the corrugated tube. 3, Insert the conduit inside the connector. 5, To disconnect, just screw the cap to the same direction and same indicating sound will be heard again.