Franklin XF 16 pce Bit Holder and Socket Adaptor Set Brand: Franklin Product Details. Bit Holder Sockets/Adaptors 1/4″ Hexagon x 1/4″dr 8mm Hexagon x 1/4″dr and 3/8″ 10mm Hexagon x 3/8″dr and 1/2″ 1/4″ Hexagon Magnetic Bit Holder x 60mm 1/4″ Hexagon Quick Release Bit Holder Drive Converters/Adaptors 1/4″F x 3/8″M 3/8″F x 1/4″M 3/8″F […]