Bulldog Winch Hand Controller 15K w/15ft Lead 4-Prong Black. 20144B 4-Prong also works on older 3-prong plugs Specifications for Bulldog Winch Hand Controller for 10012: Manufacturer: Bulldog Winch Quantity: 1 Color: Black Features of Bulldog Winch Hand Controller for 10012 4-Prong Push-in 10012 Heavy Duty 15k Package Contents: Bulldog Winch Hand Controller for 10012 Bulldog Winch 20144B: Hand Controller 15K w/15ft Lead 4-Prong Black