Integrated Ergonomic Vacuum-Hoist Lifting SystemsNon-Weight Sensitive VM Vacuum Lifting System Model #: VMK-1 Vacuum-Hoist Lifter with V2-70-24 Vacuum Pad Attachment, AL101 Venturi Vacuum Generator and VLS07 Vacuum Loss Sensor Description: Vacuum-Hoist Lifter with Dual Vacuum Pad Attachment on Adjustable Spreader Beam with optional 21300652 Loop Handle Assembly Application: Lifting & Handling Steel Plates 3 ft. x 2 ft. (1.0 x 0.6 m) weighing up to 250 lb (113 kg)