The EM300-12-222 is a high-quality, precision-made, round electromagnet with a 3-inch diameter that can hold up to 400 lbs. It operates on 12 volts DC and is designed to withstand demanding industrial environments. This product is suitable for a wide range of applications where powerful and reliable magnetic holding force is required, such as robotic arms, automated material handling systems, and medical equipment. With its robust construction and superior performance, the EM300-12-222 is an excellent choice for mechanical and electrical engineers seeking a high-quality electromagnet solution.