Set of knobs, thumb wheels and wings to screw onto hex nuts of various sizes, designed to turn a nut into a comfortable grip to turn by hand. The collection includes several shapes: grooved knobs, flat thumb wheels, a knob for screwdriver bits and wings of increasing sizes for M3 to M8 nuts. Each piece is a single body with an internal hex seat, suitable for manual tightening work, repairs, workshop equipment and DIY projects. The largest knob measures 40 mm in height