Creality 24V 40W Extruder Full Nozzle Hot End Kit with Nozzle Extruder+Cooling Fan+Shell for Ender-3 3D Printer1. Durable and high temperature resistant. 2. The high speed fan has good ventilation and heat dissipation effect. 3. Seamless nozzle and pipe connection, no leakage, no blockage. 4. Material: PC 5. Output voltage: 24V 6. Size: 52x63x72mm Specification: Package Weight One Package Weight 0. 30kgs 0. 67lb One Package Size 22cm * 11cm * 8cm 8. 66inch * 4. 33inch * 3. 15inch Qty per Carton 40 Carton Weight 14. 00kgs 30. 86lb Carton Size 46cm * 46cm * 42cm