1、STRONG COMPATIBILITY: This tubing straightener is specifically designed for bent, coiled copper, stainless steel or aluminum tubing in 3/16in to 1/2in in diameter, ensuring a perfect fit and optimal performance. 2、EFFICIENT STRAIGHTENING: With 5 contacting points design, you can easily and efficiently straighten brake and fuel line tubing for higher straight precision. It saves time and effort compared to manual straightening methods. 3、PROFESSIONAL RESULTS: Achieve professional grade results with this brake line tube straightening tool. It ensures precise and consistent tubing straightening, helping to improve the overall performance of your vehicle. 4、EASY OPERATION: Simply feed the coiled tube through one side and adjust the spacing of rollers to fit the size of the tubes. Then, sliding the tubing forth and back several times. A straightened tubing can be immediately obtained. 5、DURABLE AND VERSATILE: Made from aluminium alloy materials, this straightener is built to last. It can be used with different tube materials, making it a versatile tool for both DIY enthusiasts and professional mechanics.