The Snap On Tools FVA1 3/8” Female Drive to 1/4” Drive Male Socket Adapter is a high-quality, specialty tool designed for automotive use. Made in the United States, this adapter features a chrome surface finish and a 3/8” female drive size that can easily convert to a 1/4” drive male size. Ideal for SAE measurement systems, this single item adapter is essential for mechanics and hand tool enthusiasts looking to expand their socket set capabilities with a reliable and durable product from a trusted brand like Snap-on.