AISI 316 Stainless Steel easy Lock Inlet, include a heavy duty cap strap for strengthand durability for socket 3939628. The covers are designed to stay open whenthe cover is lifted up to allow a easy connection, a soft touch unlock it for closing. Waterproof. Their robust construction andcorrosion-resistance provides long life in the harsh marine environment. Rear protection with vent. Ship-to-shore devices.