Fits the male and female ends of standard 50 amp plugs. Makes unplugging & separating plugs much easier! Grasp the strong, easy to grip handle and pull out bulky, difficult to handle power plugs. PLUG DOGS help to pull the plugs out correctly, increasing the life of cables & receptacles. Very durable! Using PLUG DOGS is the best way to separate a Dog Bone adapter or surge protector from a power cord or outlet.