This multifunctional adjustment ruler is a must have for your tool kit and provides stable measurements and adjustments for competitive advantage and everyday use Ideal for car enthusiasts, professional racers and model car maintenance technicians seeking precision in their vehicle setups Made of aluminum, making it easy to carry and operate at any tuning event For pre-race tuning, routine maintenance and optimization of performance to ensure your car is always optimal Improve your car's performance and stability with this adjustable metal ruler, design for precise height and fall adjustments on 1/10, 1/8 and 1/7 scale models, Manufacturer: DIEKE