Features: Brand new and high quality Copper-titanium alloy material: Suitable for MK4 copper-titanium alloy throat hot end kit. Made from copper-titanium alloy material, which have excellent conductivity and improves printing effect and stability. Resistance: Specially treated and have excellent wear resistance, which prolongs the service life and reduces the replacement frequency. Easy installation: Users can easily install it for MK4 Printers without complicated operation. Printing: the throat hot end kit made from copper-titanium alloy can provide more stable and uniform distribution, ensuring in the printing process. Resistance: Copper titanium alloy material have excellent resistance, which can withstanding long-terms operation environment and ensure the stability of printing process. Specifications: Material:Metal Package Includes: 1x Throat Hotend note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.