The Snap-on SFM18 3/8” Dr 12 Pt Metric 18mm Flank Drive Deep Chrome Socket is a high-quality hand tool designed for use with metric measurements. This deepwell socket features a 18mm size, making it suitable for a variety of mechanical tasks. With its durable construction and precise design, this product is a reliable addition to any workshop or tool collection. Made in the USA by the reputable brand Snap-on, this socket ensures top-notch performance and longevity.