[Thickened large magnet] The use of thicker and denser magnet distribution, high break coefficient to provide security [coarse alloy steel ring] coarse alloy steel ring, easy to use, strong and durable. [U-shaped groove design] Increase the range of use, can absorb flat plate and round steel. [Strong suction] The machine is inspected by professional personnel before leaving the factory, and the use is safer and more assured;