The Snap On Tools STMM4 USA 1/4″ Drive 5.5mm Metric Deep 6 Point Chrome Socket is a high-quality hand tool designed for automotive use. Made in the United States by Snap-on, a trusted brand in the industry, this single 5.5mm socket features a chrome surface finish for durability and easy cleaning. The 6 point design allows for a secure grip on nuts and bolts, making it a valuable addition to any mechanic’s tool collection. Please note that this product may have a California Prop 65 Warning due to its chrome finish. PB2903