Features Wide Application Compatibility: Compatible with most extruder settings of 3D printers, ensuring versatility and ease of use across various printer models. Fine-Tuneable Spring Force: Long compression length allows for adjustment of spring force, ensuring optimal performance and print quality. Robust Compression Strength: Each spring can generate up to 1.6 kg of compression force, delivering exceptional elasticity for reliable printing results. Bulk Quantity: With 100 pieces included, this set meets your usage and replacement needs, providing excellent value for money and convenience. Workmanship: Features great craftsmanship, offering a and long-lasting replacement for old springs, ensuring prolonged service life. Specification: Item Type: Z？Axis Platform Support Spring Product Material: Iron Color Classification: Silver white Product Specification: Wire Diameter: Approx. 1.0mm / 0.04in Outer Diameter: Approx. 9mm / 0.4in Inner Diameter: Approx. 7mm / 0.3in Height: Approx. 22mm / 0.9in Material: Iron (6 circles) Package List: 100 x Spring Package List 100 x Spring