Feature:1. Make the 3D printer more stable, high temperature resistant, and better compatible with printer equipment.2. Using high-quality materials, rust and corrosion resistance, long service life.3. With great workmanship, these parts can perfect replacement for the old one.4. Small size, easy to carry and store, convenient to use and with good performance.5. With 8pcs spring and silicone socket, can meet your use and replacement needs, very practically.Specification:Item Type: 3D Printer AccessoriesSpring Specification: 8 x 25mm SpringSize: Approx. 25mm / 1inColor: YellowSilicone Pad: Blue Package List:8 x Spring8 x Silicone Pad