This Snap-on DS1516 Double Open-End Ignition Wrench is a must-have tool for any automotive enthusiast. It is a single-item wrench with a system of measurement in SAE and is made in the United States. The wrench is designed for use with open-end drive types and has a size of 15/64″ x 1/4″. The wrench is made by Snap-On, a trusted brand in the automotive industry. This particular wrench has a part number of DS1564 and is perfect for use on ignition systems. With its sturdy build and reliable performance, this wrench is a valuable addition to any mechanic’s toolbox.