Feature:1. 3D Printer Heating Parts: The kit includes 24V 40W heating rod and thermal wire, aluminum heating block, titanium alloy throat tube, copper plated nozzle, black silicone sleeve, stable and reliable.2. Wide Compatibility: This heating kit is compatible for Ender 3 S1, for Ender 3 S1 PRO, for CR10 Smart Pro, for Sermoon V1, for Sermoon V1 pro 3D printers, can perfectly compatible.3. Bi Metal Thermal Insulation: Titanium alloy material has good thermal insulation, and copper helps to dissipate heat, provides stable and excellent heating performance.4. 0.4mm Nickel Plated Copper Nozzle: The surface of the inner and outer holes of nozzle is smoothly, making the material extrusion smoother, suitable for various materials.5. Ideal Replacement Accessories: This professional heating kit gives you wonderful heating performance and long term stability, is an ideal replacement accessory for 3D printers.Specification:Item Type: 3D Printer Heating PartsHeating Block Material: Aluminum AlloyThroat Tube Material: Titanium Alloy (TC4)Sleeve Material: SiliconeNozzle Material: Nickel Plated CopperHeating Rod: 24V 40WFeatures: High temperature printing below 300, titanium alloy material upward can reduce heat conductionNozzle Diameter: Approx. 0.4mm/0.02inApplicable Models: For Ender 3 S1, for Ender 3 S1 Pro, for CR10 Smart Pro, for Sermoon V1, for Sermoon V1 pro printers.Package List:1 x 24V 40W Heating Rod1 x Thermal Wire1 x Aluminum Heating Block1 x Titanium Alloy Throat Tube1 x Copper Plated Nozzle1 x Black Silicone Sleeve2 x Screw