M type metallic waterproof cable gland Material: Brass plated with nickel,nylon PA66 certificated by UL.M type metallic waterproof cable gland Weather strip: Nitrile butadiene rubber(NBR),Weathering-resistance rubber(EPDM).M type metallic waterproof cable gland Working temperature: -40°C to 100°C, instantaneous heat resistance up to 120°C.M type metallic waterproof cable gland Characteristics: IP68(Rotate the part).