The Draper Inflatable Air Wedge is a soft air cushion which provides a powerful and controlled 150kg lifting pressure. It is ideal to use when levelling windows installing cabinets positioning heavy doors and many more jobs. The wedge has a 160 x 160mm contact surface. The 250mm expansion range allows it to fit in the smallest of gaps and provide a high level of adjustment. It also has an internal reinforcement bar to ensure its inflation is rigid and does not fold up in tight places. It is fitted with a high-frequency welded and bonded hose to ensure it will not fail under pressure. Plus it has a pressure relief valve to facilitate controlled decompression and height adjustment.