440LBS Heavy Duty Vacuum Suction Cups, Powerful Industrial Glass Suction

SIMPLE OPERATION: Press the handle of glass suction cups to adsorb easily, and repeatedly press to inhale until the red line disappear, indicating that the suction cup is losing vacuum and completely adsorbed. After the construction is completed, the vent valve is easy to operate and automatically exhaust after being pressed; LOAD CAPACITY: A single heavy duty vacuum suction cup can carry 440LBS/200KG. The 8 in vacuum suction cup is made of excellent and elastic rubber, possess strong suction, full coverage, suction does not fall off, improve work efficiency. The suction cup of the industrial vacuum air pump is stronger, the double layer is thicker, the adsorption force is strong, the air does not leak for a long time, saving time and effort; WITH INDICATOR: Red line indicator warn user of any vacuum loss. When the red line appear while lifting, simply thumb pump the plunger without removing the cup from the surfaces, easy access to parts; SUITABLE FOR CURVED AND FLAT SURFACES:This suction cup is designed for arc surface with larger cup spaces, you can lift objects whose surface is curved, such as a bathtub, and you could also use to flat surface but you need to take more actions to have enough vacuum to lift your load; WIDE RANGE OF USES: Glass suction cups use vacuum special texture, can absorb a variety of materials. The special texture inside the suction cup can create better conditions for vacuum and can easily absorb the surface of the object. Suitable for glass, tile, stone, furniture, metal, handling large tiles, cabinets, car windshield, sun room building, engine valve, household appliances, gypsum board and other smooth surface objects

What's in the box
2 x Moving & Shipping Boxes