【Precise spring dimensions】With a diameter of 0.051 inches,9/16 inch outside diameter and a height of 3 inches,19.9 lbs maximum safe load,the dimensions are precise, making it suitable for a variety of devices and applications, ensuring a perfect fit. 【Packaging Information】4 compression springs, can meet your more needs, saving time and effort. 【High-Quality】SP 9712 compression spring made from high-quality spring steel and nickel plating treatment on the surface,providing excellent corrosion resistance and rust prevention and durability, extending the life of the spring while maintaining a clean and attractive appearance,capable of withstanding long-term use and frequent mechanical stress, ensuring stable performance in various harsh environments. 【Easy to install】Easy to install with only a few simple tools,designed for use with a variety of household and professional applications. 【Friendly Reminder】Our springs all come with a quality guarantee,Each spring undergoes strict quality testing to ensure consistent performance, extending the lifespan of the equipment and reducing the failure rate.Please refer to the line art drawing for dimensions and compare with your needs before orderin.