Features: Enhances your 3D printing experience for i3 MK4 Extruder Hotend Heat Block, for superior thermal conductivity and efficiency. from metal, this heat block ensures rapid heat transfer for consistent temperatures, offering excellent high temperatures resistance for prolonged use. for i3 MK4 3D printer enthusiasts, the heat block to diverses user base ranging from hobbyists and educational institutions to industrial manufacturers. Whether you're crafting intricate models, developing prototypes, or producing parts, this heat block is essential component for a wide array of 3D printing projects. printing game with this easy to Installs, ensuring that every print comes out flawlessly detailed, making it for anyone serious about achieving professional result in 3D printing. Specifications: Materials: Metal Package Includes: 1PC Heating Block note: Please allow 1-2cm errors due to manual measurement, make sure that you not mind before order. Due to the differences between different monitors, the picture may not reflect the actual of the item.