Description:【Size】10mm nut driver, 150mm (5.91 inch) total length.【1/4″ Hex Shank】Universal 1/4 inch hex shanks fit a variety of quick-change chucks and drill, driver, or screw-gun.【Material】Heat treated chrome vanadium steel construction with sandblasted finish for increased hardness and corrosion resistant.【Magnetic】Magnetic nut setter can be be used with an impact/bit driver or hex socket ratchet to securely grab nuts and fasteners for easy installation or loosening/removal.【Application】Widely used in household DIY, woodworking, professional machine repairing, etc.