Features:* Made of oxygen-free copper with zinc coating, eco-friendly and durable * Replaceable 900M-T series soldering tips for soldering station.* Equipped with heat-resistant and fine workmanship.* For 850/852/853/878/898/902/936/937, Yihua 969 DB+ repair station and other iron brand station.* Type D: welding with tip parts. It is suitable for soldering environments that require a large amount of tin, such as large soldering areas, thick clamps, and large solder inserts. Specifications:Product Name: Soldering TipsMaterial: CopperColor: SilverModel: 900M-T-1.2D Length: (Approx.) 33mmWorking Range: (Approx.) 16mmInner Diameter: 4mmOuter Diameter: 6mmTemperature Range: 200 - 480°C Suitable for: Welding, Fit for 936, 937, 938, 969, 8586, 852D Soldering Stations. Quantity: 5pcsPackage Included:5 x 900M-T-1.2D Soldering TipsWeight:1. Transition: 1cm=10mm=0.39 inch.2. The actual colors of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.3. Please allow slight manual measurement deviation for the data.