Heavy-Duty Sheet Metal Lifters with Powerful Suction –
These lifters have powerful suction to lift heavier loads. A handy trigger-valve release disengages the vacuum lifter instantly and safely. This saves wear and tear on gloves and hands. These lifters are generally used for loading, unloading, piling, and shifting sheet metal from trucks, stock, etc. The 3″ cup lifts about 15 pounds; the 4″ cup about 25 pounds; the 5″ cup about 35 pounds.