Aperture: 0.2~1.0 Scope of application: 3D printer accessories Product Name: MK8 Hardened Steel Nozzle Nozzle consumables: 1.75mm Nozzle diameter: 0.2/0.3/0.4/0.5/0.6/0.8/1.0mm Nozzle material: hardened steel/die steel nozzle hardness: overall hardness 50 degrees (surface hardness 55-60 degrees) Treatment hardness: overall hardening treatment Nozzle characteristics: It is made of high-quality thermoforming, using high-temperature carburizing and hard treatment. It has super wear resistance, heat resistance, high hardness and high toughness. It has a long service life and is compatible with most of the high-temperature printing consumables on the market. Specifications: 1. Appearance lettering, surface lettering clear, let you better distinguish, details see quality 2. The joint is tight and the contact surface is smooth and flat to solve the problem of material leakage of consumables. 3. Cutting chamfer, reducing resistance, reducing edge cutting angle resistance, and smoother blanking 4. Overall hardening treatment, high temperature resistance, corrosion resistance, and smoother silk output 5. A variety of specifications for you to choose from Package Included: 1 * Nozzle