This is a water flower shift knob. The two-tone flowers have a strong presence and a luxurious feel, and the shift knob is very transparent and beautiful. It comes with three adapters: m10×1.5 m10×1.25 m8×1.25 The main body diameter is m12 ×1.25. The diameter is approximately 4.5cm. Please understand that this is an overseas product, so there may be some inconspicuous shipping scratches. Thank you for your consideration.