Feature: 1. Perfect Replacement: 3D printer hotbed columns are perfect replacement for VORON 2.4 3D printer machine, perfect for your old or broken one. 2. Usage: 3D Printer hotbed column can effectively reduce the heat transfer of hot bed aluminum plate to aluminum plate support material , reduce thermal deformation of material. 3. Prevent Heat Transfer: Hotbed column can effectively reduce heat transfer to the bottom of the hotbed and reduce hotbed temperature transmission to the electrical bin and material frames. 4. Excellent PEEK: Hotbed column made of PEEK material, heat insulation and temperature resistance, use heat insulation cotton together, come with 4pcs for you to use. 5. With Screws: In order to have a better heat insulation effect, the screw is made of PEEK material, can not be screwed hard, tightened gently, too much force will cause the screw to damage. Specification: Item Type: 3D Printer Leveling Column Heat Material: PEEK Application: for VORON 2.4 Height: Approx. 7.5mm / 0.3in Inner Diameter: Approx. 3.5mm / 0.14in Outer Diameter: Approx. 12mm / 0.47in. Package List: 4 x PEEK Hotbed Columns 4 x PEEK Screws