Model Number: HY-GK08 Brand Name: HY Key Specifications/Special Features: Shinning white TRD gear shift knobUniversal design, can fit most of the manual carsType: roundColor: whiteMaterial: rigid plasticLook very stylish, elegant shapeThe design grip is supportive and feel comfortable to hold it when changing the gear.Come with 3pcs plastic adapter to make it very easy to installlong lasting and never lose after use for long timeGear knob original thread diameter 1.8cmAluminium adapters thread diameters 0.9cm, 1.1cm and 1.2cm respectivelyThe gear knob outlook dimension: 4.5cm (estimated round diameter) x 6.5cm (gear knob length)