2 Pcs 1/4" Quick-Change Hex Shank 8mm Magnetic Nut Setter Driver Drill Bit, 42mm Length, Metric, SandblastingDescription:* Constructed from forged and quenched chrome vanadium steel with a corrosion-resistant sandblasted finish, high hardness and durable to use.* Universal 1/4'' hex shank fit quick-change/release and firmly lock of chucks, drill, driver and screw-gun.* Magnetic pad inside the socket holder to securely grab hexagonal nuts and fasteners for easy installation or loosening/removal.* 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.