North American Black Walnut shift knob. This is a shift knob made of real wood. It has a deep color and natural luster, giving it a very luxurious feel. The shift knob shape is also very easy to grip. The size is 8.5cm in length, with a maximum thickness of 5.5cm and a minimum of 3cm. The shift knob body thread diameter is M12 x 1.25. Comes with 3 types of conversion adapters: m10 x 1.5 m10 x 1.25 m8 x 1.25 To install the conversion adapter, remove the metal adapter at the bottom of the shift knob body and screw the conversion adapter onto the metal adapter as shown in photo 7. The hole on the back of the metal adapter has a 1.5cm void to the threads. Please check if it fits your vehicle before considering purchasing. Offered at a bargain price. Please note that there may be inconspicuous scratches.