Read more Read more Read more Read more DIMENSIONS How to Use the Desoldering Pump Step 1: Press the plunger down until you hear a click sound;Step 2: Heat up solder around item to be removed by using a soldering iron;Step 3: When the solder is liquid, place the tip of the solder sucker next to the melted solder and press the trigger;Step 4: Repeat this process if necessary. How to Use the Solder Wick Step 1: Place the wick over the solder you need remove and then just push the heated soldering iron tip onto the wick;Step 2: Remove the wick once the solder has been absorbed;Step 3: Cut off the used part of the wick;Step 4: Repeat this process if needed.