Specification AgeRangeDescription : adult Brand : NTKYUTRT BulletPoint : If you don't know which model is suitable for your machine, please contact us BulletPoint1 : [Integrated Structural Design] Features an integrated design for easy disassembly and maintenance, convenient for use at any time BulletPoint2 : [Robust Metal Housing] Constructed with a metal housing for high robustness and wear , ensuring a long service life BulletPoint3 : [Stable Heating Temperatures] Equipped with a heat-insulating silicone sleeve for stable temperatures, ensuring consistent and efficient printing BulletPoint4 : [Cooling Fan Included] Full assembled hot end kit includes a cooling fan for even heat dissipation, ensuring secure and stable printing BulletPoint5 : [Flame Retardant Materials] The extruder hot end kit ensures thermal insulation, cleanliness around the heating block and nozzle Color : Red ExternallyAssignedProductIdentifier : 9487171771396 ItemName : NTKYUTRT Extruder Board V0.5 for Guider 2 ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 3 centimeters ItemPackageDimensions_Width : 2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : 3d-printer-extruders Manufacturer : NTKYUTRT ModelName : NTKYUTRT ModelNumber : NTKYUTRT NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : NTKYUTRT ProductDescription : Please feel free to contact us if you have any questions