The AMF 10 Pin Scully Plug is developed in conjunction with the AMF quick release holder fitted with the DIXON optic overfill sensor to form part of a complete overfill preventing and grounding system. The style of the plug at each facility that your vehicles load at should be considered to ensure a compatible connection namely a 3J or 4J Style plug. The AMF 10 pin Scully Plug is designed to meet the API (American Petroleum Institute) standards for optic and thermistor systems. With its durable construction and stainless-steel contact pins, thy are made to withstand harsh weather and road conditions, the Scully 10 pin plug is also supplied with a protective cap for when not in use.