1、Vacuum suction cup maximum lifting load capacity of 120kg in level and 100kg in vertical position 2、Flip-down tabs tighten the suction cups to the surface and lock in place 3、Made from premium aluminum alloy, ABS and rubber, it is heavy duty, durable and comfortable to use 4、Great for lifting, moving, pulling, handling materials such as glass, mirror, metal sheet, etc. Can be used as a dent puller for car, fridge or washing machine body 5、When apply the suction cup on an object, the surface of the object should be flat, clean, smooth and nonporous