External hex on the socket body is used to adding torsion by wrench manually when power tools are torque insufficiency.
Constructed from forged and quenched chrome vanadium steel with a corrosion-resistant sandblasted finish, high hardness and durable to use.
Universal 1/4'' hex shanks fit quick-change/release and firmly lock of chucks, drill, driver and screw-gun.
Applicable for installing in those hexagon tools, such as a pneumatic screwdriver, electric screwdriver, pneumatic drill, electric drill, manual screwdriver, and more.
Can be used in household DIY, woodworking, professional machine, professional contractor repairing.
WARNING: 