This is a manual suction cup for effectively removing solder when repairing and soldering electronic components. It can be used to correct errors with small boards on printed circuit boards and other components on printed circuit boards. Compact and portable to carry. Features: The nylon tip is resistant to high temperatures and is replaceable, easy to clean and carry, suitable long-term use. The ABS plastic shell is sturdy and durable; The sponge covered handle is non-slip and comfortable to grip. Compact and portable to carry. Double-layer air leakage protection, good airtightness; with strong spring, the suction power can reach up to 35cm-hg. Easy to use: press the tin suction control button and push the plunger down at the same time to remove the solder joint. Greatly improve work efficiency.Rebound Button: Push the plunger of the desoldering pump tool all the way until it gets stuck; quickly approach the tip of the tool to the solder joint and press the tin suction control button as you move your soldering iron; repeat for better desoldering effect. Note: The size and color may be slightly different due to manual measurement and different lighting conditions. Thank you for your understanding. Features: Color: black and green Material: ABS Max. Suction power: 35cm-hg Item size: 208*21mm/8.19*0.83in Package size: 25*6*3cm/9.84*2.36*1.18in Package weight?: 150g / 5.29oz Package List: 1 * Manual Desoldering Pump