... 8000times 3-cups vacuum glass sucker on glassUsage:can move or lift non-porous materials ,such as glass, metal, Formica, plastics, fiberglass, ... be moved easily.Material: Fine aluminum alloy frame , mid quality materialCup typle:3 cups,rubber pad assembly ,suction cup,Iron ... -plane 170kgs,upright 120kgs the same quality as woods. suction lifer-3 cups mid quality,suction lifer. packing:10pcs/CTN:43 ...