5/16” hex x 1/4 square drive Magnetic socket for hexagon head screws, bolts etc and  203mm 1/4" hex to 1/4" square drive adaptor

Used in conjunction with a power drill/driver to allow easy fixing of 5/16 head tek self drill screws

• Ideal for use hex self drill screws
• 1/4 Square drive
• 203mm adaptor for reaching deep applications.