Efficient Desoldering: The aluminum metal desoldering pump is designed to efficiently remove solder from circuit boards and electronic components. Easy to Use: Its simple design makes it suitable for both professionals and DIY users. Durable Construction: Made of high-quality aluminum, it offers durability and long-term reliability. Specifications: Temperature regulation range: 1°C; Application: Solder removal; Maximum suction: 30. Operation Instructions: 1. Press the piston downward until it locks in place. 2. Heat the solder joint with a soldering iron until the solder melts. 3. Remove the soldering iron and immediately place the desoldering pump tip over the molten solder, then press the button. 4. If solder residue remains, repeat the process as needed. Usage Tips: 1. Ensure the piston seal is intact. Before use, cover the tip opening with a finger and press the button — if the piston does not easily return, the seal is effective. 2. Select the appropriate nozzle size based on the solder joint. 3. Replace the nozzle if worn. 4. Apply a small amount of rosin flux to the nozzle tip before contact with solder to improve flow. 5. When applying the nozzle, position it slightly larger than the pad. After the solder melts, rotate the tool clockwise around the joint pin before pressing the button. Note: Slight variations may occur between production batches. Material: Plastic Color: As shown Package Contents: 1 x Desoldering Pump 5 x Nozzles