Features: Efficient hotend design: The upgraded hotend employs enhanced heat conduction technology, ensuring rapid and uniform melting of materials during heating to improve printing efficiency and quality. Manufactured from premium high-temperature resistant materials, it withstands operating temperatures up to 300°C, guaranteeing stable performances during prolonged high-load printing while minimising failures caused by excessive heat. High Compatibility: Specifically engineered for the ad5x printer, it perfectly aligns with original equipment. Not need additional modifications for immediate deployment. Simple Installation and Maintenance: The set includes comprehensive installation instructions, enabling users to perform setup or maintenance with ease. Broad materials Compatibility: Supports a wide ranges of printing materials, including , ABS, PETG, and more. Specifications: Product name: printer upgraded hot end set materials: Metal Product size: 10x53.5mm/0.39x2.1in Hole diameters are 0.25mm, 0.4mm, 0.6mm, and 0.8mm respectively Optional Package Includes: 1 set Hot end set note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.