High quality electromagnet, electromagnet attractor, solenoid solenoid electromagnet, model: ZHI1727. It was originally designed to be used in household appliances and vacuum cleaners. It is small in size, high in efficiency, large in suction, low in power consumption, and a high-quality, high-quality electromagnet. For DIY use, the shells of these electromagnets have two colors. After testing, the electrical properties of the two are the same, but the shell colors are different.