Winbag MAX Inflatable Lifting Tool is a heavy-duty inflatable leveling shim designed to assist with the installation of windows, doors, cabinets, countertops, and other household appliances. This tool easily slides into very tight gaps and can support a maximum load capacity of 550 lbs. It features a hand-operated pump that inflates the air cushion, securely holding heavy objects in place during leveling. Made from a material that is gentle on work surfaces, the Winbag MAX prevents scratches and damage. This reusable inflatable leveling shim helps save installation time and reduces the number of installers needed to complete the job efficiently. Model Number: WB780457