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 Parts Heating Block Material: Aluminum Alloy Throat Tube Material: Titanium Alloy (TC4) Sleeve Material: Silicone Nozzle Material: Nickel Plated Copper Heating Rod: 24V 40W Features: High temperature printing below 300℃, titanium alloy material upward can reduce heat conduction Nozzle Diameter: Approx. 0.4mm/0.02in Applicable 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