Material: UL Nylon 6/6; neoprene for seal insert, with nut Color: Black, gray, light gray. ... nylon PA66,parts B and D are made of nitrile butadiene rubber(NBR).3.Thread specificaiton: Metric ,PG,G,NPT.4.Working ... 100 centigrade. 5.Characteristics: Special design of clamping die and rubber part,large range in clamping cable, ultra-strong stretching resistance ...