Description: For 1.75 mm Supplies, 0.2/0.3/0.4/0.6/0.8 mm holes. 3D printer nozzles, high quality international copper material. Environmental protection, safety, harmless. High-quality raw materials, fine workmanship. Strict quality control system, quality assurance. Specification: Material: Copper Size:13x5.4mm Package Includes: 1x Printer Nozzle