11/16 inch 9-14mm ID STRAIN RELIEF DOME NUT IP68 PG16 Connector fits 7/8 Inch Hole

Resistant to most chemicals and solvents NEMA 4 x and 6 specifications (IP68) Easy installation: push cable through strain relief and tighten dome nut Use minimum size strain relief that fits your cable Ideal for control cabinets, car washes, hot tubs, instrumentation, underground for direct burial and underwater.