Ironton Deluxe Steering Wheel Spinner fits most steering wheels and makes backing up, turning and parallel parking easier. Textured wood finish knob for a sure grip. Rubber insert protects steering wheel. Material: Multiple, Product Type: Other Compatible with most steering wheel modelsMakes backup, turning and parallel parking easierTextured wood finish knob for a sure gripRubber insert protects steering wheelFits steering wheels with a diameter size range of +/- 1.1in.(28mm) minimum +/-1/21in./(31mm) maximum