GOOD DESIGN: Hardened steel spring pins, forged with excellent heat treatment, hold the screwdriver bits firmly and seamlessly, ensuring they don’t slip. The universal socket wrench is the strongest general purpose type with a honeycomb design. You can choose the screw/nut size according to the use of space, saving your time. Material: full stainless steel universal socket wrench, fixed core, pipe made of high strength chrome vanadium steel, high tolerance, long service life, not easy to damage. Variety: standard sizes 1/4" - 3/4", metric 7mm-19mm, the self-adjusting design easily tightens hex nuts, screw holes, hooks, turnbuckles and screw heads. Removable screw, swivel hook. Remove the screws and remove the screws irregularly. Remove the damaged faucet and tighten the knob. Using a standard 6.35mm (1/4") hex shank drill bit, it can be attached to a power drill, a cordless drill or hand wrenches that reach into tight spaces where it can’t fit, screws, twist nuts. Versatile: Small and