Body made of highly resistant aluminum. With ergonomic handle for greater comfort Maximum load capacity of 220.46 lbs (100 kg) All RUBI suction cups have been subjected to constant quality tests to ensure and guarantee proper resistance during use Carefully studied ergonomic design of the handles of allows construction professionals to benefit from the best possible position when using the suction cups, thereby reducing effort and fatigue The concept of ergonomics is always present within the design of RUBI Tools, as they believe that safety and minimizing the risk of injury at work are essential for health and proper performance