The material of the product is made of environmentally friendly crystal glue (crystal craft resin), which is the raw material for making billiards. The pigments and high-hardness PU on the surface are all environmentally friendly. These products are also exported, and all materials are environmentally friendly Precautions 1. This product is suitable for all manual transmission vehicles, and some automatic gear shifters can also be used 2. The one with a button lock cannot be installed temporarily 3. This gear shifter is not suitable for Buick, Excelle, Cruze, Beijing Hyundai Accent and models with the same gear design 4. The reverse gear next to the first gear cannot be installed Installation instructions The installation is very simple: unscrew the original gear head, just replace it with this gear head. There are three rubber sleeves of different specifications inside, just choose the rubber sleeve that matches the size of the original gear lever, install our product accessories and screw them on, and then tighten the three fixing screws below. Sturdy, quick and easy to install, suitable for most models on the market