The Snap-on Cummins engine valve adjusting wrench is a high-quality, durable hand tool designed for automotive maintenance and repair. With a 3/4 inch size and 12 point drive type, this wrench is specifically made for adjusting valves in Cummins engines. The adjustable wrench is built to last with a lifetime warranty, making it a valuable addition to any mechanic's toolkit. Proudly made in the United States, this single item from the trusted brand Snap-on is a must-have for any automotive professional.