Marinco 50 AMP Easy Lock Shore Power Inlet w Back Rear Enclosure Marinco stainless steel power inlets are solid cast marine-grade 316 stainless steel. Featuring a robust construction and corrosion-resistant materials, Marincos Power Inlets are built for a long life in harsh marine environments. This model includes a heavy-duty cap strap for strength and durability. Features Easy Lock - Marincos Easy Lock system is designed to make hook-up quick and easy. With the Easy Lock locking ring installed