Desoldering pump, also known as a solder sucker, is a manually-operated device that is used to remove solder from a printed circuit board.Armsol Imported Desol Pump is Ideal for removing heated solder from a PCB. It is a durable and full metal body desoldering pump. This Blue desol Pump is a high-quality product that has good desoldering capability due to strong suction and durable build.