The Vintage Rare Mechanicraf 1/4" to 5/16" Adaptor is a single specialty hand tool designed for automotive use. Made in the United States by the brand Mechanicraf, this adaptor features a standard socket type and a unique system of measurement. With a drive size of 1/4 inch, this rare find is perfect for mechanics looking to adapt 1/4" sockets to 5/16" nuts and bolts, making it a valuable addition to any tool collection.
