Simple Operation: Press the top down until you hear a click, hold the desoldering pump over the molten solder tin, press the button to suck out the solder. Strong Suction Power: Strong suction power removes solder easily and quickly. Teflon tip: Thanks to the Teflon tip, there is no welding residue on the piston. Great Flexibility: This manual desoldering pump can be easily operated with one hand and is suitable for both right and left-handed users. Durable Material: The hand suction pump is made of high-quality aluminum. The Teflon tip is heat-resistant and durable.