Feature:1. [Convenient] 3D printer extruder kit is small, easy to carry and store, easy to use, excellent performance, more convenient and practical2. [Material] 3D printer extruder kit adopts all metal material, with stable performance, reliability, durability, wear resistance and long service life3. [Heat Dissipation Effect] High power heating rod and 100k thermistor, strong heat dissipation effect4. [Strong Compatibility] 2 in 1 metal wire block has strong compatibility, detachable, easy to clean and good performance5. [High Temperature Resistance] The product come with high temperature resistance and high printing accuracySpecification:Item Type: 3D Printer AccessoriesMaterial: Metal , RubberFunction: 2 Color Metal Hot End ExtruderScope of Application: Applicable to Ender3 Series and Other 24V 3D Printers.Package List:1 x 2 in 1 out Nozzle2 x Screw1 x Silicone Sleeve 2 x PTFE