Check the listing for details. 4xLeveler Column High-temperature Silicone Solid Spacers for Ender3/CR10 CR10S. Condition: New, Made in China. Listed at 8.79 USD. Features: High-temperature resistance and greater stability compared to spring contact surfaces. Good elasticity, good fatigue resistance, shock absorption and energy absorption, freely adjustable. Typically, a printer requires four leveling silicone columns. Optional 4 height 18mm or 4 height 16mm, different color. Suitable for Most 3D printers on the market such as for Ender3, CR10. Specifications: Material: Silicone Color: White, Blue, Pink, Brown, Black (optional) Height: 16mm, 18mm (optional) Diameter: 16mm Inner Diameter: 4.5mm Package Includes: 4x Hot Bed Platform Silicone Columns note: Please allow 0-1cm error due to manual measurement. Please allow for slight color difference due to different display resolution.