Description: Reliable Material: The gear shift knob of the extension adapter is made of metal, which is durable and can be used for a long time. Spare parts: The gear knob extension adapter can be used to make old and damaged accessories. Application: The extended height is about 4 inches. They only apply to vehicles with manual transmission, not to automatic vehicles. Easy to use: the adapter expands the gear knob into a screw-in one, and there is no worry about loose adapters. Portable: The gear shift knob expansion adapter uses a compact design and is lightweight, which is easy to carry. Specification: Material: Aluminum alloy. Gear knob with thread: M10x1.25. Colour: black. Note: There may be some color distortions due to different computer resolutions. A slight error may occur due to different manual measurements. Package Included: 1 Piece Gear Shift Knob in Adapter Extension.