1、APPLICABLE MODEL: This 3D printer nozzle kit is suitable for K1, for Kobra, for Sovol Sv06 Plus, for Sv07 models, can directly replace old or damaged ones. 2、HARDENED STEEL: These nozzles are made of excellent hardened steel, with heat processing and oxidation, greatly extending the service life of the nozzles. 3、APPLICABLE FILAMENT: Suitable for PLA, ABS, PETG, TPE, TPU, PC, etc., as well as composite filaments containing grinding additives such as carbon fiber, glass fiber, steel, wood, tungsten, etc. 4、HIGH TEMP RESISTANCE: These hardened steel nozzles can withstand high temperatures up to 450℃, ensuring rapid heating and continuous printing of high temperature filament. 5、HIGH ACCURACY: With glossy inner wall and no burrs, high accuracy, extruder diameter error less than 0.02mm, providing accurate and stable extrusion. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia