Tailored Compatibility: Given the specific suitability of our high temp- brass nozzles and block heater for 3 V3 SE, for 5 S1, and for 7 3D printers, we encourage checking your printer model prior to purchase. Quality Assurance: This premium kit offers you 12pcs high-quality brass nozzles of 0.4mm x 8, 0.6mm x 2, 0.8mm x 2, celebrated for their excellent heat, abrasion, and -resistance. Alongside superior smooth filament feeding, the nozzles no leakage due to their secure connection. Furthermore, the inclusion of 4pcs for 3 v3 se hotend socks made of heat- silicone, enduring up to 280℃, protects the heater block and avoids filament adhesion. Versatile Use: Our 3D Printer Brass Nozzles function ly 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 that the heat does not dissipate quickly due to the silicone structure within. The for 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 Kit Feature:High-Temperature Resistance Colour:Gold Material:brass Package Contents: 4 x Silicone Socks 12 x brass nozzles (0.4mm x 8+0.6mm x 2+0.8mm x 2) 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.