Brand: Allstar Performance Manufacturer's Part Number: ALL50837 Part Type: Plug Fittings Product Line: Allstar Performance AN Plug Fittings Automotive Fittings Part Number: AAF-ALL50837 UPC: 848238026863 Fitting Size 1: -16 AN Fitting Attachment 1: Male AN Head Style: Hex Fitting Color: Natural Fitting Material: Aluminum Quantity: Sold as a set of 10. Description: Allstar Performance AN plug fittings will seal off straight threaded ports—and are available in aluminum or plastic. They're used to keep debris out of your lines and hoses, and also protect the internal components of fuel pumps, dry sump pumps, pressure regulators, etc. during storage.