【Material】- Constructed of chrome vanadium steel for anti-rust, great strength and durability for high-intensity long-term work. Surface sandblasting treatment improves the fatigue resistance of the nut driver.
【Feature】- Universal 1/4 inch hex shanks fit a variety of quick-change chucks and drill, driver, or screwgun.
【Add Torque】- External hex on the socket body is used to adding torsion by wrench manually when power tools are torque insufficiency.
【Wide Application】- Widely used in household DIY, auto parts, woodworking, professional machine, professional contractor repairing, etc.Need a hex adapter to use it with a socket wrench.