Designed for : This kit is tailored specifically for the 3 and 3 Combo, ensuring a that enhances your printer's performance during high-speed operations. The components work seamlessly together to maintain the integrity of your prints. High-Quality Construction: The kit features an aluminum alloy hotend for superior heat dissipation, brass nozzles to high temperatures, and stainless steel cleaning needles designed to withstand frequent use, ensuring long-lasting reliability and performance. Comprehensive Maintenance Solution: Equipped with two complete hotend sets, four protective silicone sleeves, eight 0.4 mm replacement nozzles, twenty cleaning needles, and a 6 mm nozzle key, this kit provides everything needed to minimize downtime and maintain your printer in optimal condition. Enhanced Printing Quality: Engineered to prevent clogging and promote consistent filament , this kit improves the quality of your prints. The components are designed to work together to enhance the overall printing experience, ensuring smooth and detailed results. Easy Installation: This plug-and-play hotend kit is pre-configured for easy, tool-free replacement, making maintenance quick and hassle-free. The intuitive design allows for immediate installation, so you can get back to printing with minimal interruption. Color: As Shown Material: Metal+Plastic Package Contents: 1 printer set 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.