Features 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 Tube Material: Ti Alloy Product Size: Approx. 19 x 6mm / 0.75 x 0.24in M6 thread Applicable 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