Feature:1. Applicable Models: This throat tube is suitable for Ender 3 S1, Ender3 S1 Pro, for CR 10 Smart Pro, for Sermoon V1, V1 pro 3D printer, check the model!2. Delicate Craftsmanship: The inner wall of this tube is smoothly without ink blocking, and the pumping resistance is small, providing stabler and smoother using.3. Ti Alloy Material: This tube made of Ti alloy is corrosion resistant, high temperature and wear resistant, strong and sturdy, ensures a long life span.4. Branch Design: Adopts branch design, this tube has strong thermal resistance and can dissipate heat faster.5. Ideal Replacement: This throat tube can be easily installed, ideal replacement for the old and damaged parts.Specification:Item Type: Heatbreak TubeMaterial: Ti AlloyProduct Size: Approx. 19 x 6mm / 0.75 x 0.24in M6 threadApplicable Models: for Ender 3 S1, Ender3 S1 Pro, for CR 10 Smart Pro, for Sermoon V1, V1 pro and other printers..Package List:2 x Heatbreak Tube