With solid adapters for non-threaded knobsItem Size: Round Knob diameter is 60mm, provide better control feel; Outer thread pitch M12x1.25, suitable for most 12x1.25 pitch shift knobs.Premium Quality: The black 8 ball shift knob is made of Acrylic, durable to use; The Adapter is made of aluminum, high strength and corrosion-resistant.Easy to Install: Directly replace the existing shift knob with the adapter, install the round shift knob on the adapter; Then tighten the adapter to the gear shift handle and screw the ball shift knob on the adapter.Universal Fits: Our black 8 ball shift knob can be used for most non-threaded transmiions and manual transmiions, such as for BMW, Jeep, Honda, Toyota, Mazda, General Motors, etc. Please check the diameter of the screwle shifter before ordering.Easy and quick to install, even for beginners.Unique billiard black 8 ball shape, won't fade, looks amazing and give you comfortable touching feeling.Material:Acryliccolour:BlackPackage Contents:1 x Ball Shift Knob1 x Adapter4 x Rubber Thread Adapter6 x Screws1 x WrenchOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.