Quick Cable 5518-2001B Heavy Duty Marine Connector, Negative Polarity, Top Post to 5/16″ Stud, Lead with Zinc Plated Steel Fastener, Black Epoxy Coating, 1.125″ Width, 2.328125″ Length

Converts battery post to stud connector. Permits quick disconnection from battery. Polarity specific – meets U.S. Coast guard regulations. Top post to 3/8 inch stud. Lead with zinc plated steel fastener. 2-21/64 inch x 1-1/8 inch