10 Pack Hex Head Sizes SAE: 1/8", 5/64", 3/32", 7/64", 9/64", 5/32", 3/16", 7/32", 1/4", 5/16".
The drill bit made of high quality S2 steel material is durable and suitable for industrial use.
Strong magnetic, high precision. Each edge can accurately lock the screw without damaging the screw and screwdriver head.
The drill bit can be easily inserted into any 1/4 inch hex shank power drill and hand tool.