Compatible with for 245 I, IS, SK, K Soldering Tips for SUGON T21 245 Soldering Iron Station, SUGON A9 245 Soldering Iron Station The integrated welding iron heating core uses copper with good thermal conductivity as a material, which is durable. It has good thermal conductivity, good tin plating ability, anti-corrosion, anti-rust, , high hardness. welding tip and heating core design, fast heating speed, stable temperature, high hardness, long service life. easy to install and use, easy to install and use, strong safety, stable performance, suitable for precision electronic maintenance work, beginners can also quickly get started. size: about 10 x 3cm Material: copper colour: silver Package Contents: 1 x I type soldering iron tip 1 x IS type soldering iron tip 1 x K type soldering iron tip 1 x SK type soldering iron tip Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.