Winbag Inflatable Leveling Shim is the newest and most innovative multi-purpose tool seen in decades. for installing windows, doors, cabinets, and household appliances, it works in gaps ranging from 3/32” to 2” wide and supports a maximum load capacity of 300 lbs. Crafted from fiber-reinforced material, this durable tool won’t damage surfaces while shimming. It features a hand-operated pump that inflates the air cushion to hold heavy objects securely when leveling. This reusable inflatable leveling shim saves installation time and reduces the number of installers needed to complete the job efficiently. Model Number: WB20SR5/4/40