Item Type: 3D Printer Nozzle Nozzle Characteristics: Made of high-quality hot-formed steel and is treated with high temperature carburizing and hardening. Has super wear resistance and heat resistance. Has two characteristics of high hardness and high toughness. Has a long service life and is compatible with most high-temperature printing on the market supplies. Tip Size: 0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.6mm, 1.0mm(optional) M6x1 thread Size: Approx. 7.5mm / 0.3in, 12.5mm / 0.5in, 9mm / 0.4in Diameter: Approx. 7mm / 0.3in Package List 5 x 3D Printer Nozzle 1The appearance of the lettering is clear, allowing you to better distinguish, and the quality of the details can be seen 2This nozzle possess flat contact surface to solve the problem of consumable leakage 33D Printer nozzle reduce the corner cutting resistance, the cutting is smoother 4Hardened treatment bring high temperature resistance, corrosion resistance, smoother wire 5Super wear resistance, high hardness and high toughness, possess long service life, compatible with most high temperature printing consumables on the market