[High Performance]The hardened steel nozzle boasts superior thermal conductivity and strength, ensuring longer service life, durability, and compatibility with 1.75mm filaments such as PLA or ABS or PETG or TPU or Wood. [Easy Installation and Removal]This hot end kit to help you quickly and accurately secure the hot end to the mounting location, making the installation and removal of your hot end very easy. (Before replacement, please that the hot end has cooled down to prevent scalding.) [Package Contents]1 set hotend kitand0.2mm hardened steel nozzleand0.4mm hardened steel nozzleand0.6mm hardened steel nozzleand0.8mm hardened steel nozzleand1pc closed end wrench and1 pc open end wrench. [Compatible Printer]This hot end kit is only compatible with for A1 or A1 Mini, please confirm your 3D printer model before ordering. Colour:As Shown Material:Metal Due to different product batches, the appearance , which does not affect the use Package Contents: 1 set x hotend kit(with 4 pcs additional hardened steel nozzle) 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.