Uxcell US-SA-AJD-40599 5 x AC400V 5A 4 Pins 16mm Thread Aviation Circular Male Connector Product Name : Aviation Connector; Working Voltage : AC 400V;Working Current : 5A Pin Quantity : 4 Pin; Inner Thread Diameter : 7mm/ 7/25" Outer Thread Diameter : 16mm/ 5/8";Total Size : 21 x 46.5mm/ 0.83" x 1.8" (max.D*L) Material : Aluminum Alloy; Color : Silver Tone Weight : 112g;Package : 5 x Aviation Connector