Features: Function: Perfectly re-tins oxidized soldering iron tips and lengthen tip life Good quality: It doesn't contain lead or di-ammonium phosphate Application: Lead-free compound insures it can be used on any soldering tips Easy to use: No clean compatible formulation. 1, The perfect operation temperature should be 300~360 . 2. Clean the soldering iron firstly. 3. Insert the soldering tip into the cleaning paste then wait for seconds. 4. Tinning, repeat steps if the effect is not obvious. Description: 100% brand new and high quality Size: 27*15mm Color: grey Material: aluminum housing Package include: 1*soldering iron tip cleaning Notes: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you 2. Please allow 1-3cm measuring deviation due to manual mearement.