New old stock 1/2 female to 3/4 male adapter. Compare to snap on la12b. Awesome quality true craft japan NOS Weighs a quarter pound The TRUECRAFT In. 3/4 In Drive Socket & 1/2 In. Adapter 40180 is a high-quality, single item hand tool designed for automotive use. Made by TRUE CRAFT, this standard socket features a specialty drive type with a chrome surface finish. It includes a 1/2” into 3/4” adapter, making it versatile for various mechanical tasks. Perfect for professionals or DIY mechanics, this SAE measurement socket is a reliable addition to any tool collection.