DAMO 10" Vacuum Suction Cup Heavy Duty Glass Lifter with ABS Handle and Hand Pump Suction Cups for Glass & Granite Lifting Load capacity: 200 lbs. per cup;Comes with a carrying case for free; Fast attachment on smooth, nonporous flat surfaces; Red-line indicator warns user of any vacuum loss; Lift tab on pad edge permits instant release; Check valve allows repumping without loss of remaining vacuum.