Home | Woods Powr-Grip Since 1964, Wood's Powr-Grip has provided innovative equipment which uses vacuum to lift, hold, and position nonporous materials, including glass, plastics, engine valves, sheet metal, stone slabs, an Powr-Grip® Vacuum Lifters aren't Just Suction Cups! Since 1964, Wood's Powr-Grip has provided innovative equipment which uses vacuum to lift, hold, and position nonporous materials, including glass, plastics, engine valves, sheet metal, stone slabs, and appliances. We offer a broad range of hand-held vacuum cups, vacuum mounting cups and below-the-hook vacuum lifters to make material handling easier!