Specifications: Product name : gear knob gaitor boot Placement on vehicle : front Material: Plastic & PU Leather & Metal Color: Black / Red Speed Number: 6 Speed Inner hole diameter : 12 mm / 0.47 in Fitment: for Audi A4 S4 B8 8K / A5 8T / Q5 8R S-Line 2007-2015. (The Compatibility Is Just For Reference. Please Compare With Your Original One Before Purchasing !) Package included: 1 x gear knob gaiter boot （ Black Or Red） Design: Improve your driving experience, good workmanship, and ergonomic design for a comfortable operation feeling. Material: Manufactured from good materials and durable in use, the gear lever shift knob is resistant to wear, corrosion, and long service life. Easy Install: 1. Remove the existing shift head. 2. Select and install the correct adapter. 3. Install the new shift head on the adapter, then install it on the knob rod. The gear shift head is not applicable in the following three situations: 1. Not suitable for cars that needed to be pulled up to reverse gear. 2. Not suitable for cars with push-button locks. 3. Not suitable for the vehicle unmovable the original shifting knob. Note: This product is only suitable for manual transmission cars, not suitable for automatic transmission cars.