This is a shift knob made by carving from solid, very hard striped ebony wood. The finish is natural wax. Please check the thread size on the lever side before purchasing. The thread size of the mounting part of this shift knob is 12 x 1.25mm. If your thread size is 10x1.25, 10x1.5, 8x1.25, 6x1.0mm, or 12x1.75mm, it can be installed using the following optional diameter conversion adapter. << Diameter Conversion Adapter Sizes (sold separately) >> ① 12x1.25mm (knob side) → 8x1.25mm (lever side) ② 12x1.25mm (knob side) → 10x1.5mm (lever side) ③ 12x1.25mm (knob side) → 10x1.25mm (lever side) ④ 12x1.25mm (knob side) → 6x1.0mm (lever side) ⑤ 12x1.25mm (knob side) → 12x1.75mm (lever side) (←This adapter will be 23mm longer) 《 Delivery Method 》 Free shipping, but it will be sent by regular mail (Teigai-gai). 《 Other Custom Orders 》 For custom orders with your desired size and materials, please contact us through the inquiry form on the "Wood Studio Craft Miya" HP. We will first provide an estimate, so please feel free to contact us. (Please note that exchanging messages about other products in the comments section of this product is prohibited by Mercari's rules.)