Useful in cleaning up mistakes or removing excessive solder, every electrical engineer has one of these on their desk.
To use, depress the end to engage the vacuum. Then heat up the to-be-desoldered joint until it is liquid. With your other hand hold the plastic tip as close as possible to the joint and depress the button to suck up all the liquid solder. If necessary, clean up the remaining solder with wick.
All metal construction is ideal for heavy use including production re-work and repair. Large capacity spring-loaded plunger quickly removes solder in a single action. Tool easily disassembles for fast cleaning, tip and "O" ring replacement. Internal plunger pin automatically purges solder from tip with each use.