Protect your trailer's electrical connections with the Buyers TC1007B Rubber Boot for 7-Way Trailer Plugs. This durable, soft rubber boot, measuring 3-1/4 inches long by 2 inches in diameter with inner diameters of 1-5/8" and 7/16", securely mounts to the rear of your 7-way receptacle. It effectively shields wiring from water, weather, and corrosion, ensuring reliable power connections for RVs, vehicles, and trailers.