... Black Red Blue 3.Special designation,good strengthsile. Cable glandsMaterial: Parts A, C, E are made ... of nitrile butadiene rubber (NBR).Thread spec.: Metric, PG, G, NPTCharacteristics: Special design of clamping die and ... rubber part, large range in clamping cable, ultra-strong stretching resistance, waterproof, dustproof, and ... be designed at request. plastic fixed cable gland PG type