Grippers, namely, grippers for pick and place of sheet metal and formed sheet metal components, mechanical clamping grippers, and grippers activated and force controlled by vacuum under pressure aided by suction cups, being parts of machinery; metalworking or metal forming tools being parts of machines; modular tools for machinery, namely, metalworking or metal forming machine tools; pneumatic tools for metalworking and metal forming machines, namely, pneumatic operated valves, pneumatic grip...