Metal Body, High Suction Power, Light Weight. Ideal for all types of repairing. All metal construction is ideal for heavy use including production re-work and repair. Providing safe, low cost means of desoldering connections, PC boards and components. 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.