Features 1 Production of high grade oxygen free copper solder joints of not less than 20000 Suitable for lead free soldering are high end products heat transfer fast long life easy on the tin will not produce Weld 2 Head of the choice should be selected with their own soldered dot Specific look at the size of solder joints Conventional welding head I B K 3C 2 4D Specification Model 900M T I B K 1 2D 1 6D 2 4D 3 2D 2C 3C 4C a total of 10 pieces Uses This product is suitable for 936 soldering station 937 soldering station or all kinds of 900M series dedicated handle For Hakkoo Soldering Rework Station Package included 1 xIron casing10 x iron tip Detail Pictures