Industrial vacuum suction cup: Powerful round vacuum suction cup, 210 mm diameter. High-performance vacuum suction cups, easy to use with an air pump compressor. The suction cup is only suitable for smooth, non-porous surfaces, which is effective.practical and economical.High-quality material: The thickened handle is made of engineering-grade ABS, ergonomically shaped, non-slip, and durable. The high-quality rubber pad and 210mm wide suction cup provide a firm and comfortable grip with excellent anti-slip properties.The suction cup has a strong suction force and does not allow air to escape.Within 100 kgThe powerful suction cup can hold any 100 kg suction cup vertically. For heavy goods, the number of suction cups can be configured accordingly to distribute the load evenly.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 provides ample clearance. It can lift curved objects such as bathtubs and washing machines, and can also be used on flat surfaces.All you have to do is place the suction cup on a smooth or flat, non-porous surface. Then pull the vacuum cleaner into the suction cup until the red warning line disappears.