Need a reliable, waterproof connection for your boat's shore power or trolling motor? This Marinco 205BP is a heavy-duty 20-amp, 125-volt, 3-prong locking male plug built for the marine environment. Its rugged black housing is designed to resist corrosion, UV rays, and cracking from harsh weather and constant use. The 3-spade male connection ensures a secure, vibration-resistant link with the matching female inlet. It measures about 2 inches in diameter and 2.5 inches wide overall. This is the go-to plug for many boat manufacturers and is a direct replacement for numerous OEM parts. Perfect for connecting your boat to dock power or wiring up a trolling motor plug. Marinco is the trusted name in marine electrical, so you know it's built to last. Make sure this is the correct model for your specific setup. A simple upgrade for safer, more reliable on-the-water power.