The steel key is made from 8660 nickel chromium molybdenum steel and held to high tolerance standards so you can count on a proper, snug fit every time.. Our T-handle keys have two endsboth a star long arm for spinning out fasteners, as well as a short, star side drive for breaking loose fasteners.T30 Star T-Handle Key The large, contoured handle is designed to comfortably fit your in your hand as you apply torque from various positions.