... cable gland, like PG, M,NPT,G. thread..... speci 1.Material: parts A,C,E are made of UL approved nylon ... PA66,parts B and D are made of nitrile butadiene rubber(NBR)2.Thread specificaiton: Metric ... clamping die and rubber part,large range in clamping cable, ultra-strong stretching resistance, waterproof, dustproof,and ... that can be designed at request. nylon cable gland of PG type