This extruder hotend kit is original-part from for 3 V3 SE 3D printer. It has been assembled in advance and the wires are directly plugged in, allowing for quick replacement. High precision thermistor, temperature detection up to 260℃. Say Goodbye to Clogging: Heating Block + Heat dissipation block, Highly effevtive heating and heat disspation, Fewwer cloggings, much higher printing success rate. Rapid Heat Dissipation: Irregular wave structure design increases the effective heat dissipation area and realizes fast heat dissipation. All-metal design for better overall performance Silicone Cover is provided to help keep temperatures on the for 3 V3 SE hotend much more stable and this result in higher print quality and consistency. Compatible for: -3 V3 SE Size of nozzles:0.4mm Voltage and Power: 24V 40W Colour:Silver Material:Aluminum alloy + brass + stainless steel Package Contents: 1 * Hotend Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.