Made of copper alloy, with high thermal conductivity and thermal stability. Nickel-plated can reduce the adhesion of consumables on the . Suitable for QIDI X-Max 3, X-Plus 3, X-Smart 3 3D printers, tend to install V6 style nozzles. Precision CNC lathe processing, smooth inner wall, it is recommended to use CHT nozzle, which can increase the flow rate and print faster. Colour:As Shown Material:copper alloy Package Contents: 1 * Adapters For QIDI Hotend 1 * Wrench(The wrench color is random, and the designation is not accepted) 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.