Features: Enhanced Performance-: The S1 nozzle is made of high carbon steel with a fluoropolymer coating, ensuring enhanced performance- and longevity-. Durable Material: The high carbon steel material used for Ender3 Ender5 printers, ensures durability and resistance to wear and tear. For 3D Printing Enthusiasts: The Ender3 S1 nozzle is designed for 3D printing enthusiasts who demand high-quality results- from their 3D printers. Versatile Use: The Ender3 S1 nozzle is suitable for wide range- of 3D printing applications, including prototyping, hobby projects, and industrial manufacturing. Features anti-oxidation-, smooth inner wall for uniform extrusion, no blocking, high hardness and wear-resistance Specifications: Product Name: S1 Nozzle Size: 0.4mm CR6-SE/Ender3 S1/ Ender5 Nozzle Product material:High Carbon Steel PTFE Plated Filament- diameter:1.75mm Max- temperature:450 Thread:M6 Length:approx 13mm/0.5in Quantity:1/2/3pcs (Optional) Note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment. Package includes: 1/2/3pcs x Carbon Steel Nozzles (Optional)