Features: Using different processes and has the best thermal performances, suitable for daily printing Provide a smooth coating for standard non abrasive applications. High heat resistant, high temperature resist up to 300C. The chamfered cuttingaperture is round, and the nozzle surfaces are smooth, reducing the resistance of edges and corners to consumables. The feeding is smoother, and the contact surfaces flat, effectively preventing printing head leakage Specifications: Name: 3D Printer Nozzle Material: High quality brass Net weight: 4.5g Filaments diameter: 1.75mm Screw: M6 thread Nozzle hole: 0.2/0.3mm/0.4mm/0.5mm/0.6mm/0.8mm/1.0mm/1.2mm Printing temperature to : 300 Thermal conductivity: 105W/m.k Hardness: 3.0Mohs Quantity:2PCS Note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment. Package includes: 2PCS Brass Nozzles