FYSETC is a professional supplier of 3D Printers related accessories products. It has a professional R&D team and high quality after-sales service to ensure that you can purchase at a reliable price. If you meet the troubleshooting, please feel free to email or QA us, we and our engineers are very happy to assist you. Feature: Loading Grade : Light Load Material : Metal Die springs are primarily used in die machinery.For die springs, yellow color here represents that the loading grade is light load. Additionally, we want to tell you: in the yellow, blue, red, green, brown die springs, YELLOW ones are the lightest load ones. However, because die springs are well suited for high stress applications, they are also suitable for a variety of other applications as well. Package includes: 10 Pcs Die Spring