Specification Brand : XBERSTAR BulletPoint1 : What’s in the Box: A1 / A1 mini Hotend with Ruby Nozzle 0.4mm,Silicone Cover Sock * 1; BulletPoint2 : Compatibility: Drop-in Replacement for Bambu Lab A1 / A1 mini 3D printer, use directly without any modification. Print well with Bambu Lab’s default print settings; BulletPoint3 : Genuine Ruby: DUROZZLE takes genuine ruby as the tip material for all its ruby series nozzles. It offers excellent durability and resistance to highly-abrasive filaments like carbon fiber, glass-infused materials, or metal-filled filaments; BulletPoint4 : Funnel Shaped Nozzle: DUROZZLE's ruby nozzle is carefully cut and polished to have funnel shape structure. This will avoid accumulating material at the dead corners in this way to reduce risk of carbonization and nozzle blockage; BulletPoint5 : One For Any Material: Having great performance in printing highly abrasive materials, less abrasive materials such as PLA, ABS or Nylon are never challenges for it. Ruby nozzle can improve the nozzle service period in an obvious way, keeping you free from replacing nozzles frequently. Color : Black CompatibleDevices : Personal Computer CompatibleMaterial1 : Metal CompatibleMaterial2 : Polylactic Acid ExternallyAssignedProductIdentifier1 : 0679070058046 ExternallyAssignedProductIdentifier2 : 679070058046 GpsrSafetyAttestation : 1 IncludedComponents : Extrusion Kit ItemName : XBERSTAR Nozzles for Creality K1/K1 Max Nozzle Brass 3D Printer Nozzles 0.2-1.2mm 1.75mm Filament (0.2mm Brass Nozzle) ItemPackageDimensions_Height : 0.06 inches ItemPackageDimensions_Length : 2 inches ItemPackageDimensions_Width : 1 inches ItemPackageQuantity : 1 ItemTypeKeyword : 3d-printer-extruders Manufacturer : XBERSTAR Material : 0.2mm Brass Nozzle Material1 : Metal Material2 : Polylactic Acid ModelNumber : q10 NumberOfBoxes : 1 NumberOfItems : 1 OperatingSystem : Linux PackageLevel : unit PartNumber : Nozzle For Creality K1/K1 ProductDescription : 3D Printer Nozzles 0.2-1.2mm/1.75mm Filament For Creality K1/K1 Max Specification: Nozzle Specification 1.Name : Brass Nozzle 2.Material : High Quality Brass 3.Process:CNC 4.Net Weight :4g 5.Filament Diameter : 1.75mm 6.Screw : M6 Thread 7.Nozzle Hole : 0.2mm/0.4mm/0.6mm/0.8mm/1.0mm/1.2mm 8.Max Printing Temperature : 300℃ 9.Thermal Conductivity : 105W/m.k 10.Hardness : 3.0.Mohs 11.Applicable Material : PLA, TPU, PETG PEEK, PEI, Fiberless etc. Compatible For Creality K1 For Creality K1 Max For Creality CR-M4 【Kindly Note】 We found that many customers do not know how to properly install the nozzle. Remember the core issues in the installation process. Just make sure your nozzle and HEAT BREAK front end are tight and sealed. Otherwise, the melted consumables will leak along the screw holes. Package includes: 1*3D Printer Nozzles