Kit Contents: 2 × 0.4mm nozzles (ideal for detailed, high-precision prints) 1 × 0.6mm nozzle (excellent balance of speed, strength, and detail) 1 × 0.8mm nozzle (optimized for rapid, large-layer, high-throughput printing) Key Features: Quick-swap system – Install or remove in seconds without tools for zero downtime High-flow performance – Smooth filament delivery for demanding, fast prints Abrasion-resistant hardened steel tip handles PLA, ABS, PETG, TPU, PP, PC, and composites like PLA-CF, PA-CF, PET-CF with ease All-metal construction – Durable for extended high-temp sessions and reliable long-term use Precision engineering – Reduced clogs, better flow, and professional-grade results Whether you’re upgrading for speed, tackling abrasive materials, or varying nozzle sizes for different projects, this genuine Creality Unicorn kit delivers top-tier performance and versatility. Compatibility: K1 (2024 version with integrated/unicorn quick-swap hotend), K1 Max (2024 version with integrated/unicorn quick-swap hotend), K1C, K1 SE, Ender-3 V3, Ender-3 V3 Plus.