brass screw plug( round,hexagonal ) brass with nickel plated/nylon CE,RoHS standard factory direct sales Product material: high-quality nickel-plated brass.Color: Metallic color ( yellow).Protection classification:Use the O-ring and Sealing Nut in the range of bayonet,protection class can be IP 68.Working temperature: -40°C~+110°C,instantly can be +120°C.Property:1,plug the extra or reserved ...