Body made of highly resistant aluminum. With ergonomic handle for greater comfort. Maximum load capacity : 176.37 lb. (80 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 we believe that safety and minimizing the risk of injury at work are essential for health and proper performance. RUBI has always had a very close relationship with ceramic tile installers and it is vital for them to have constant, fluent communication with them " that"s why Rubi has all the necessary tools to offer industry professionals an innovative product able to provide solutions to their daily needs while working