Jopto 20Pcs Yellow Spiral Spring 8mm OD 20mm Light Load Compression Mould Die Spring Compatible with 3D Printer Ender 3 Metal Die Casting Mold Mechanical Equipment Motherboard Bottom Connect Leveling

• The mold spring with high temperature resistance and good toughness, it's the best choice to spring-requiring equipments.
• The surface of the spring is reinforced to strengthen the surface structure and increase the strength of stress concentration to extend the life of the spring.
• Compatible with most 3D Printer Bed, great for 3D Printer Ender 3 Heatbed Springs Bottom Connect Leveling.
• The die springs are stiffer than ordinary spring, which help your 3D printer much more stable while printing.
• The 8mm spiral springs can be used for light industry, automotive, machinery, mold stamping, electrical appliances(such as washing machines, vacuum cleaners, electric lights, cars, furniture, 3D printers,etc.).

Features: The spring that has been subjected to strong pressure treatment can eliminate the internal stress before use and avoid deformation, shortening and fracture of the spring. Make the spring performance more stable. With high temperature resistance and good toughness, it's the best choice to spring-requiring equipments. compatible with most 3D Printer Bed, great for 3D Printer Ender 3 Heatbed Springs Bottom Connect Leveling. The 8mm spiral springs cn be used for light industry, automotive, machinery, mold stamping, electrical appliances(such as washing machines, vacuum cleaners, electric lights, cars, furniture, 3D printers,etc.). Loading Grade: Light Load Material: Metal Size：hole diameter(OD): 0.31"/ 8mm ; Length: 0.79"/ 20mm Color: Yellow Weight: 1.8g Package Content: 20 x Die Springs