7-Way Round Split Pin Trailer ConnectorFeatures:Heavy-Duty Die-Cast Zinc Design, Self GroundingImpact And Corrosion ResistantTwo Mounting Holes are 3 Inch Center To CenterSolid Brass Contact Pins Coated To Resist RustSpring-Loaded Cover Keeps The Terminals Out Of The Elements When Not In UseTerminals Clearly Marked To Avoid ConfusionTypically Used With Large TrailersRated: 6 To 24 Volt DCIllinois Industrial Tool16696