The 3D Printer Nozzle Kit includes 16 pieces of MK8 brass nozzles in sizes 0.2mm, 0.4mm, 0.6mm, 0.8mm, and 1.0mm. This kit is designed for 3D printers and provides a variety of nozzle sizes for different printing needs. The included components are essential for maintaining and repairing your 3D printer, ensuring smooth and precise printing results. The compact package dimensions make it easy to store and transport, while the lightweight design of 0.22 pounds allows for easy handling.