1Made of high quality oxygen-free copper which is of fast conductance and heat resistance up to 480 for durable use 2Iron tips are plated Iron and Nickel which prevent them from oxidation and rust 3There are 12 types available from which you can choose the proper one for your diffefrent soldering needs 4It has high stable and long-lasting performance, not easily wear off 5Easy to carry and clean, just use the sponge to polish, do not expose to the air naked and put them on the shelve if you are not using it, small size and lightweightDescription:Iron tips are made of copper which is electroplated Iron and Nickel in case of oxidation and rust under hightemperature, characterized by heat-resistant up to 480, Lifetime over 20000 welding joints with appropriateuse.There are12 types of soldering tips in this set and you can choose the proper one for different solderingneeds, for example, b all-round type which can be used from any direction and is easy to hold at anyposition,possible to solder any surface from small to large; and k type has a shape like a knife and iscapable of solderingby applying the tip in 3 ways: line, face and point, it is used for soldering at narrowpitches, correction ofbridging and drag soldering. Get this set of tips andadd 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 480for durable use. Iron tips are plated Iron and Nickel which prevent them from oxidation and rust under high temperature. There are 12 types available from which you can choose the proper one for your different soldering needs. It has high stable and long-lastingperformance, not easily wear off. Easy to carry and clean, just use the sponge to polish, do not expose to the air naked and put them on the shelve if you are not using it, small size and lightweight. Specification: Material: Copper Color: Silver Plating: Iron and Nickel (Finish) Outer Diameter: approx. 6mm / 0.24" Inner Diameter: approx. 4.0mm / 0.16" Length: approx. 43cm / 16.93" Package Weight: approx. 77g Model: 900M-T-K, 900M-T-B, 900M-T-I, 900M-T-1C, 900M-T-2C, 900M-T-3C, 900M-T-4C, 900M-T-0.8D, 900M-T-1.2D, 900M-T-1.6D, 900M-T-2.4D, 900M-T-3.2D Applicable to: 936, 937, 938, 969, 8586, 852D soldering iron Temperature Range: 200-480 Quantity: one piece for each type, 12pcs total per bag 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