Industrial vacuum cup: powerful round vacuum cup, diameter 210 mm. High performance vacuum cups, easy to use air pump compressor. The suction cup is only suitable for smooth and non-porous surfaces, which is effective, convenient and economical. High quality material: The thickened handle is made of engineering ABS, ergonomically shaped, non-slip and durable . High quality rubber pad, 210mm wide suction cup, firm and comfortable, with very good anti-slip effect. The suction cup has a strong suction force and does not leak air. Within 150 kg (330 lbs): The powerful suction cup can hold any 150 kg (330 lb) suction cup upright . For heavy goods, the number of suction cups can be configured accordingly to evenly distribute the load capacity. Suitable for smooth surfaces, especially large glass surfaces, ceramic tiles, wooden floors, stone, plasterboard, furniture, metals, plastics, etc. Easy to use: specially developed for curved surfaces. The suction cup offers plenty of space. It can lift curved objects like bathtubs and washing machines, and can also be used on a flat surface. All you have to do is place the suction cup on a smooth or flat non-porous surface. Then pull the vacuum into the suction cup until the red warning line disappears. Easy and safe: press the air pump to inhale, press several times until the red line disappears, let it rest for 20 seconds and slowly lift the object. Convenient draining, easy operation, press and hold the drain valve, the red line will come out to remove the adsorbed material. Quantity delivered: 1 piece Product color: black Product specifications: (as shown in the picture) Notes: Due to factors such as display, shooting light, production batch, etc., there may be a little difference in color in the actual object, which is a normal phenomenon!