Features: new and high quality Non-stick solders paste: One-pieces molding is corrosion-resistant and not easy to rust. Grooved welding nozzle: The plastic covered electrodes will not move when welded. Stainless steel welding nozzle: Suitable for standard round nozzle with 8mm outer diameter. Usage: Used for heating and fixing plates before welding, which is convenient for subsequent covered electrodes welding. Long Lasting Functionality:Achieve precise and secure welding with our stainless steel welding nozzle, designed to resist corrosion and rust, ensuring long lasting functionality. Specifications: Material:Stainless Steel Type:A/B/C/D/E/F/G A:Approx.53.5mm/2.1inch B:Approx.61.5mm/2.42inch C:Approx.70mm/2.75inch D:Approx.69mm/2.71inch E:Approx.65mm/2.56inch F:Approx.65mm/2.56inch G:Approx.68.5mm/2.69inch Package Includes: 1x Speed Welding Nozzle note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.