Description: It is made of stainless steel and is corrosion resistant. It is made of steel, heat-treated to 57-62 RC, and coated with TwinClad XT. If you are using carbon fiber, stainless steel, filled wood or other metal filled filaments which will greatly increase the service life of this product. It will improve the performance and reliability for your 3D printers. Compatible with 3D printers and other printer. Specification: Material:stainless steel. Size:aspicture show. Color:as picture show. Package included: 1x 3d printer nozzle.