This Snap on Shank extension was pulled from a set! Never used!! The Snap-on Tools SGDMRC1-10 1/4″ Hex Magnetic Shank is a high-quality, single item screwdriver accessory designed specifically for ratcheting screwdrivers. Made by the trusted brand Snap-on, this shank features a magnetic design for easy bit retention, a 1/4″ hex drive size for universal compatibility, and a length of 3-1/4″ for optimal reach and control. Perfect for automotive professionals and DIY enthusiasts alike, this shank is a reliable and durable addition to any tool collection.