feature: -When pulling the surface magnet vertically, the pulling force will be maximized. -Traction is affected by many factors: material, effective contact area, surface softness, traction direction, temperature, material type, thickness, flatness, friction level, etc., quality (such as rust removal), size (thickness plus total area), etc. Wait. -The large magnet is very strong and must be handled with care to avoid injury and damage to the magnet. Fingers and other body parts can be severely sandwiched between two attracting magnets. -Strong magnetic attraction, easy to carry. Technical index Maximum pulling force: 100/200 / 300KG Diameter: 48/60 / 75mm Rope length: 20m Material: NdFeB magnet and 304 stainless steel plate. NdFeB magnet and stainless steel plate The package includes: 1 x magnet 1x rope