Universal use -- This belt tension gauge is suitable for using different cam belt widths and is the first choice for your custom car repair or professional car workshop. Excellent performance -- This belt tension tester can measure the tension required to press down the timing belt timing belt, so you can adjust the position of the timing belt tensioner to an accurate position. Professional Design -- This belt tension test speeds up the installation process of the timing belt, so your belt does not shake because it is too loose, or makes unusual noise if it is too tight. High-quality material: this belt tension detection is made of high-quality carbon steel, smooth roller screws and grooved handle edges maximise grip and durability. Easy installation: the adjustable double scale of the timing belt voltage tester tool can be read at the front and rear end of the tool and is easy to use. Practical and convenient to use. Such a practical tool you will need.