Description: These iron tips are plated with tin and iron which makes it difficult to oxidize. There are 12 types of soldering tips in this set and you can choose the proper one for different soldering needs, for example, b all-round type which can be used from any direction and is easy to hold at any position, possible to solder any surface from small to large; and k type has a shape like a knife and is capable of soldering by applying the tip in 3 ways: line, face and point, it is used for soldering at narrow pitches, correction of bridging and drag soldering. C type is similar with D type, mainly used for cases like large soldering area, thick connectors and big soldering pad. Get this set of tips and add a versatile "assistant" in your tool kit! Feature: Made of high quality oxygen-free copper which is of fast conductance and heat resistance up to 480℃ for durable use. Iron tips are plated both Iron and Nickel which is anti-oxidized, ensuring their long-lasting use and anti-corrosion performance. There are 12 types available from which you can choose the proper one for your different soldering needs . Applicable to 936, 937, 938, 969, 8586, 852D soldering station. If with appropriate use of iron tip, its lifetime can reach over 20000 welding joints. Specification: Material: Copper Color: Silver Plating: Nickel Outer Diameter: approx. 6.7mm / 0.26" Inner Diameter: approx. 4.0mm / 0.16" Length: approx. 43cm / 16.93" Package Weight: approx. 70g Temperature Range: 200-480℃ Applicable to: 936, 937, 938, 969, 8586, 852D soldering station Model: 900M-T-K, 900M-T-B, 900M-T-I, 900M-T-SI, 900M-T-1C, 900M-T-2C, 900M-T-3C, 900M-T-4C, 900M-T-1.2D, 900M-T-1.6D, 900M-T-2.4D, 900M-T-3.2D Quantity: 1pcs for each type, 12pcs total For storing used iron tips Use sponge to clean iron tip. Wrap them with tin solder. Turn off the power supply and wait until they cool. Put iron pen on the iron shelve. Package Included: 1x bag of 12pcs Iron Tips