Based on this product's specifications, here are some alternatives and similar models
Shifter knob Simagic P-RSK round design for racing simulators, model P-RSK
Summary description:
Simagic P-RSK is a round-design shifter knob intended for use with racing simulator setups. The P-RSK serves as a replaceable manual shifter control component, providing a rounded grip profile and compatibility with Simagic systems that accept this mount. It is suitable for sim racers seeking a compact, ergonomic knob for manual gear changes and can be used in home or competitive simulator rigs.