Describe Innovative silicone nozzle, high power, tin removal pump. The solder joint can be covered with elastic silicone nozzle to effectively absorb melted solder and reduce residue. Innovative silicone nozzle allows closer access to the tip of the soldering iron (hence better suction and better solder removal) Compact design, easy to operate with one hand, direct contact with soldering iron (350C Max) Flexible heat-resistant silica gel head, so that the nozzle and soldering iron direct contact without damage It comes with a 50mm spare tube How to use the welding pump Step 1: Press the press head down until it locks. You will hear a click. Step 2: Heat the solder spot with a soldering iron to make the solder completely liquid; Step 3: Move the pump nozzle to the side of the molten tin. Remove the iron tip and immediately cover the liquid solder puddle with the pump nozzle. Press the release button. Step 4: Repeat the process if necessary. Easy to suck up solder The solder cup is 153x20mm in size and fits your hand perfectly whether you're right or left handed. Metal body, high pressure vacuum, good tin absorption effect Package includes: 1* Industrial grade solder extractor Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.