The idler pulley belt tensioner adjuster is designed to provide accurate and consistent tension adjustments. By using this tool, you can prevent issues such as belt slippage and excessive wear, which can lead to costly repairs. Its user-friendly design allows for quick adjustments, making it an efficient tool for maintaining the health of your engine's belts. Features -Color:Red -Material:Carbon steel -Size:20.00X3.80X2.50cm/7.86X1.49X0.98in -Effortless operation: the portable idler adjustment is designed for ease of use, allowing you to quickly adjust belt tension -Versatile tension adjustment: suitable for a wide range of belts, this tool ensures that your machinery operates by maintaining the correct tension - durability: made from carbon steel materials, this tensioner is built to last, providing reliable performance even under demanding conditions -Simple and quick installation: the tool's design allows for easy installation, making it a convenient addition to any maintenance tool -Consistent tension control: provides stable and consistent tension, helping to prevent belt slippage and ensuring smooth operation of your beltdriven systems Package list: 4 pcs x 1pcs tension adjuster