1. Made of premium material, sturdy and durable 2. Elastic and good flexibility, not easy to deform 3. Easy to install, fits most brush cutters 4. A good replacement for the old or damaged trimmer head spring 5. Very Practical Trimmer Head Accessory Specification: Features: Made of premium material, sturdy and durable. Elastic and good flexibility, not easy to deform. Easy to install, fits most brush cutters. A good replacement for the old or damaged trimmer head spring. Very practical trimmer head accessory. Specification: Condition: 100% Brand New Material: Metal Color: Shown as the picture. Height: Approx. 5.5cm/2.17in Weight: Approx. 75g/2.65oz Package List: 5 * Trimmer Head Springs