Features: Achieve efficient and stable heating with our 3D Printer Heated Block Kit. Experience quick preheating and consistent temperature control for quality printing results. Made of metal, brass, and silicone materials, our kit ensures long lasting durability. The silicone nozzle throat handle and heating pipe are resistant to high temperatures and wear, reducing maintenance needs. Designed for X1/Genius Printer Specifications: Material:Metal+ABS Option Type:Type1,Type2,Type 3,Type4,Type5,Type6,Type7, Type1 Set includes:4x0.4mm Nozzle,1x0.2mm Nozzle,1x0.3mm Nozzle,1x0.6mm Nozzle,1x0.8mm Nozzle,1x1.0mm Nozzle,1x1.2mm Nozzle,1xHeating Block,1xSilicone Case,1xHeater Thermistor,1xCleaning Needle,1xMetal Throat,1x2PIN white terminal(60mm); Type2 Set includes:4x0.4mm Nozzle,2xSilicone Case,2xHeating Block,1xHeater Thermistor,1xCleaning Needle,1xMetal Throat,2x2PIN white terminal(60mm),1xExtruder handle black; Type 3 Set includes:1x0.4mm Nozzle,1xSilicone Case,1xHeating Block,1xHeater Thermistor,1xCleaning Needle,1x2PIN white terminal(60mm); Type4 Set includes:4x0.4mm Nozzle,1xSilicone Case,1xHeating Block,1xHeater Thermistor,1xCleaning Needle,1xSocket Wrench; Type5 Set includes:4x0.4mm Nozzle,1xSilicone Case,1xHeating Block,1xHeater Thermistor,1xCleaning Needle,1xSocket Wrench,1xExtruder handle black,1xMetal Throat; Type6 Set includes:4x0.4mm Nozzle,1x0.2mm Nozzle,1x0.3mm Nozzle,1x0.6mm Nozzle,1x0.8mm Nozzle,1x1.0mm Nozzle,1x1.2mm Nozzle,1xSilicone Case,1xHeating Block,1xHeater Thermistor,1xCleaning Needle,1x2PIN white terminal(60mm); Type7 Set includes:4x0.4mm Nozzle,1xSilicone Case,1xHeating Block,1xHeater Thermistor,1xCleaning Needle,1x2PIN white terminal(60mm),1xSocket Wrench,1xExtruder handle black,1xMetal Throat; Note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1set Extruder Kit