Cable Gland Stopper Plug, Type Threaded, Head Style Hex, Trade Size M16, Material Brass, Finish Nickel Plated, Enclosure Class I Group A B C D, Class II Group E F G, Class III Zone 1 AEx de II, NEMA 4X, IP66/IP68, Used On Cable Gland, Approval UL, CSA, CAN/CSA, Applicable Standard BS 6121, NF E 03 601, IEC 60079-0, 60079-1, 60079-7, 60079-15, 61241-0, 61241-1, ISO 065, Thread Length 1.5 Inch, Weight 0.11 Lb