Features: 1) Threaded entry: metric 2) Materials: parts A. C. E. F. are made of nylon 66 characterized by high fire-resistant with its flamability rating UL 94V-2, parts B and D are madet of EPDM neoprene 3) Colors: black and grey 4) Working temperature: -40~+100oC, the item can also endure 120º C instantly 5) Protection degree: IP68 6) Standard: IEC698 7) Installation: directly screw into hole of same thread size or fix with the spare locknut, with cable throng it inside hole, seal the sealing nut