This exquisite vintage S-K Wayne 40418 semi-deep socket is a must-have for any collector or mechanic. Crafted in the United States with top-grade materials, this 9/16" socket is designed to fit perfectly into a 3/8" drive. The brand is highly reputable and has maintained its quality throughout the years. This is perfect for those who love to own a piece of history or those who want to add to their collection of mechanics tools.