Using the belt tensioner adjustment tool is straightforward. Simply position the tool on the idler pulley and turn the handle to adjust the tension to the desired level. This convenient tool is for both mechanics and DIY enthusiasts, providing a reliable solution for maintaining proper belt tension in engines, ensuring longevity and performance. Features -Color:Red -Material:Carbon steel -Size:20.00X3.80X2.50cm/7.86X1.49X0.98in -Convenient operation: the portable idler adjustment is designed for quick and easy use, saving you time and effort during maintenance tasks -Versatile adjustment: capable of adjusting the tension on various types of belts, this tool ensures that your machinery operates smoothly -Robust construction: made from carbon steel materials, this tensioner is resistant to wear and tear, providing performance -Easy to install: with a straightforward installation process, this tool can be quickly set up and used with different belt systems -Consistent performance: ensures that your belts maintain the correct tension, reducing the risk of slippage and enhancing overall machine list: 4 pcs x 1pcs tension adjuster