The material is polyamide with nickel-plated brass thread. Protection degree is IP68, using sealing gum around the thread. We have grey (RAL 7037), black (RAL 9005) color. Flame retardant is V2(UL94). Temperature range is min-40℃, max100℃, short-term 120℃. Self-extinguishing, free of halogen, phosphor and cadmium, passed RoHS. Properties are excellent impact resistance, high-intensive thread connection, fastening the cables. It can fit with all tubing except overload type WYK tubing. We have metric thread and PG thread.