Description Durable material: MK8 extruder nozzles are made of hardened tool steel, good abrasion resistance, heat resistance and corrosion resistance, sturdy construction makes them durable to serve you for long time, suitable for 3D printing at high temperatureGood performance: this hardened tool steel nozzle has higher toughness and hardness, not only suitable for common 1.75 mm 3D printer filaments, but also can print filaments of carbon fiber, fiberglass, etc.High precision: the inner wall of the MK8 nozzles is smooth and has no burrs, the viscosity coefficient is small, extruder nozzle diameter error less than 0.02 mm, provide you a accurate and smooth extrusionCompatibility: these 3D printer nozzles compatible with for MK8 hotend for Creality 3D printers, such as for Ender-2/ Ender-3/ Ender-3 pro/ Ender-5, also compatible with for Creality CR-10 all-metal hotend, Prusa i3, Anet A8, Reprap, etc.Sufficient quantity to facilitate your timely replacement, achieving quality printingColour: blackMaterial: hardened steelPackage Contents:10 x 0.4mm MK8 hardened steel nozzleOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.