[High-Temperature Resistance Capability]The hot end kit is highly to high temperatures, enabling better performance for high-temperature prints.It is and compatible with various materials such as PLA/ABS/PETG/TPU/Wood. [Straightforward of Use]Simply replace your old extruder with the new hot end kit to start your 3D printing journey.(The hot end kit for Prusa MK4/XL assembly extruder has been pre-assembled.) [Package Contents]The hot end kit includes 0.4mm brass nozzle, heating tube, thermistor, throat tube, heating block and silicone sock. [Compatible Printer]This hot end kit is compatible with for Prusa MK4/XL, please confirm your 3D printer model before ordering. There are slight differences and color differences in the products, which not affect the use Colour:Photo Color Material:Aluminum Package Contents: 1 x hotend kit 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.