Excellent Solder Core: This solder core is precision braided, 2.5mm wide and 1.5m long, which helps solder hard-to-reach areas on the board to prevent short circuits . Durable Solder Suction Cup: Made of high quality aluminum and plastic, with sturdy aluminum frame and good sealing, it provides high pressure vacuum for strong suction to clean solder on circuit board. Special design: suitable for one-handed use, suitable for left-handed and right-handed use. Once the solder is heated, press the "vacuum" button with one hand and all the solder will be cleaned up, perfect for desoldering. Uses: Widely used for removing relays and other components on circuit boards, cleaning the soldering on circuit boards, desoldering computer parts, re-soldering electromechanical switches, etc. 100% Satisfactory Service: We sincerely hope that our products can bring you a good experience and a little help. Do not hesitate to contact us, we will do our best to help you.