Pack of 60 Black magnetic hooks (see photos for dimensions). 25 lbs tension, based on the direction of tension. If used horizontally the weight capacity is reduced by 2/3. Tension of the magnet hook is also affected by the direction, the material of the contact surface and other factors. Easy to install, ideal for hanging small objects in places with iron or steel, such as cruise cabins, home, school, workshop, indoor and outdoor.