What is the thread pitch for a shift knob for a 1981 Datsun 200sx?

The thread pitch for the shift knob of a 1981 Datsun 200SX is typically M10x1.25. This means the diameter is 10mm and the thread pitch is 1.25mm. However, it's always a good idea to verify with the specific model or consult a manual, as variations may exist.