These Silicone Leveling Columns are durable, high-temperature-resistant supports designed to replace traditional springs on 3D printer heated beds. With excellent elasticity, shock absorption, and two height options (16mm or 18mm), they provide enhanced stability and precision. Compatible with most 3D printers, including Ender 3 and CR10. Features High-temperature resistance and improved stability compared to spring contact surfaces. Excellent elasticity and fatigue resistance, providing shock absorption and energy dissipation, with adjustable functionality. Designed for most 3D printers, requiring four leveling silicone columns per setup. Available in two height options: 16mm or 18mm, with multiple color choices. Compatible with popular 3D printer models like Ender 3 and CR10. Specifications Material: Silicone. Height Options: 16mm or 18mm. Color: Black. Inner Hole Diameter: 4.0mm (with countersunk holes on one side).