* This Nuts tools without magnetic !!!* Constructed from forged and quenched chrome vanadium steel with a corrosion-resistant sandblasted finish, high hardness and durable to use.* Universal hex shank fit quick-change/release and firmly lock of chucks, drill, driver and screw-gun.* External hex on the socket body is used to adding torsion by wrench manually when power tools are torque insufficient.* 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.