<p>Compatible Printer: nozzles are for K1\/K1 Max 3D printer.</p> <p>Material: MK8 hardened nozzles are made of high-quality hardened steel. The nozzle is not easy to stick filament with high hardness, resistant to wear and tear. 0.4MM hardened steel nozzles work with 1.75mm PLA\/ABS\/PETG\/TPU\/Wood filament.</p> <p>High Speed: It's a so the print head heats evenly. The interior of the nozzle is smooth without burry, which not only reduces air resistance and prevents the filament from jamming, but supports high-speed printing.</p> <p>Premium Nozzle Quality: It's made of high-quality brass which ensures more uniform printing, resulting in a better print result.</p> <p>Please note:the physical slightly color difference or difference, does not affect the use, please do not mind, thank you!</p> <p>Colour:Copper \u0026 Black</p> <p>Material:brass+hardened steel</p> <p>Size:0.4mm</p> <p>Package Contents:</p> <p>5 * Hardened Nozzles</p> <p>5 * Brass Nozzles</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection 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.</p>