Feature: 1. Bimetal Heatbreak: Composed of copper and titanium alloy, the titanium alloy part reduces the heating position and conducts the heat upward, the copper part dissipates heat and accelerates the heat conduction. 2. All Metal Heat Insulation: The bimetal throat tube and high temperature filament fit well, no PTFE wear or burning, high temperature resistance up to 420℃. 3. High Performance: Our bimetal heat break is machined with precise machine tool and made with precise stamping mechanism. Inner hole finish is 0.3, torsion is more than 10kg. 4. Compatible Model: This heat break throat is applicable for CR6 SE 3D printers, suitable for 1.75mm filament. 5. Replacement Part: The bimetal throat tube can directly replace the original part of your 3D printer, which is sturdy and not easy to damage. Specification: Item Type: Bimetal Heatbreak Material: Titanium Alloy, Red Copper Use: 1.75mm Filament. Package List: 1 x Bimetal Heatbreak