Package Includes: 3 x 0.2mm 3D printer nozzles for Volcano Nozzle 3 x 0.15mm nozzle cleaning needles in a bottle Specification: Material: hardened tool steel Out Thread: M6 Filament Diameter: 1.75mm Output Diameter: 0.2mm The nozzle surface with clear font will recognize the aperture size.Super long size, larger melt zone, let faster, stronger, and bigger to reduce the printing time.Features: The hardened steel nozzles have high hardness and high toughness, with good wear and heat resistance, can provide long use life than the normal brass nozzle, and use for most high-temperature 3D printer filaments.Compatible: For Volcano hotend 3D printer.The M6 thread nozzle kit is compatible with Anycubic Vyper, Kobra Max, Kobra Plus, Sidewinder X1, etc 1.75mm Filament 3D Printer, which works well for stock volcano nozzle.Note: Don't use the needles to clean until the nozzle is heated over 200 degrees.After replacing the nozzle, please recalibrate the distance between the nozzle and build plate to ensure the quality of the print parts.