8" Inch Heavy Duty Glass Suction Cup for Granite and Glass, Vacuum Suction Cup 330 Pound Load Capacity, Lifts Glass, Polished Stone, Plastics, Metals8 inch Suction Cup Lifter ideal for lifting Glass panes, Granite, Stone Slabs, and other flat, non porous surfaces. Includes instruction manual, storage case, and a pair of non slip gloves (one size fits all). Load Capacity: 330 Pounds, Vertical Load Capacity: 85 Pounds Fast and Easy Operation Vacuum pump secures the suction cup to the object's surface and the release button on the opposite side of the handle allows you to release the object when you