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 HeatMaterial: PEEKApplication: for VORON 2.4 Height: Approx. 7.5mm / 0.3inInner Diameter: Approx. 3.5mm / 0.14inOuter Diameter: Approx. 12mm / 0.47in.Package List:4 x PEEK Hotbed Columns4 x PEEK Screws