These valuable vacuum operated work assist devices quickly, easily & safely hold wood, plastic, glass, metal or stone work pieces, boxes fittings etc. They allow access to all areas during assembly, mounting, grinding & welding. They are compact, light aluminium construction, with both single or double suction foot design & a swivel and rotating head. Double-foot design can swivel in both directions, + or - 90 degree (180 degree total) & the single foot allows 90 degree swivel & a full 360 degree rotation. The height adjustment (770-1025mm) is via gas spring assist. To guarantee a high level of safety all devices are equipped with sufficiently adequate vacuum generators, integrated safety tanks, vacuum gauge in a visual range and nonreturn valves, which guarantee that the load does not instantly drop off in case of a power failure. There is easy and safe release of the product by foot pedal. Universal connections allow the use of various suction plates.