Tailored Compatibility: Given the specific suitability of our high temp-resistant brass nozzles and block heater for Creality Ender 3 V3 SE, for Ender 5 S1, and for Ender 7 3D printers, we encourage checking your printer model prior to purchase.Quality Assurance: This premium kit offers you six high-quality brass nozzles of 0.4mm x 4, 0.6mm x 1, 0.8mm x 1, celebrated for their excellent heat, abrasion, and corrosion-resistance. Alongside superior smooth filament feeding, the nozzles ensure no leakage due to their secure connection. Furthermore, the inclusion of two ender 3 v3 se hotend socks made of heat-resistant silicone, enduring up to 280, protects the heater block and avoids filament adhesion.Versatile Use: Our 3D Printer Brass Nozzles function perfectly with a range of FDM materials such as PLA, ABS, PETG, TPE, TPU, PC and more. Their design ensures easy replacement to maintain premium print quality.Thermal Control: The hotend socks not only enable rapid hotend heating to your desired temperature but also ensure that the heat does not dissipate quickly due to the silicone structure within. The for Ender 3 V3 SE socks offer good flexibility, snugly fitting the heating block, facilitating easy installation without frequent fall-offs.Protection & Greater Printing Success: Use the hotend sock to safely print high-temp materials like PETG while maintaining cooling fan speed. This dual function not only secures the heater block but also optimizes printing successes. Type:3D Printer Nozzle KitFeature:High-Temperature ResistanceColour:GoldMaterial:brass Package Contents:2 * Silicone Socks6 * brass nozzles (0.4mm x 4+0.6mm x 1+0.8mm x 1) Only the above package content, other products are not included.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.