General description This tightening gauge is designed to adjust the tension of drive belts by measuring the movement of the timing belt under load. It is suitable for serpentine belts and belts of various thicknesses, making it a versatile tool for auto maintenance and repair. Technical specifications Material: Carbon Steel Size: 10 x 8.5 x 4 cm Adjustable dual scale graduations readable from both front and back Usage This tool is essential for ensuring proper tension in drive belts, which is crucial for the optimal performance of automotive engines.