1. It can measure the tension required to press down the timing belt timing belt, enabling you to adjust the position of the timing belt tensioner to an accurate position. 2. Speed up the installation process of the timing belt, so that your belt will not tremble because it is too loose, or make abnormal noises when it is too tight. 3. The adjustable double scale of the tool can be read from the front and rear ends of the tool, simple to operate. 4. Made of highquality carbon steel, smooth rolling screws and grooved handle edges maximize the handle and durability. 5. It is suitable for the use of various cam belt widths and is the first choice for your individual auto repair or professional auto repair shop.