The Winbag hand-operated inflatable air cushion will be a versatile addition to your toolbox. The fiber-reinforced pillow can provide up to 220 pounds of pressure to replace shims and wedges in a variety of applications. Ideal for positioning windows and doors, leveling cabinets and appliances, or as a quick jobsite doorstop, the Winbag can be used in gaps as narrow as 3/32 inch and as wide as 2 inches. The simple hand pump and air release valve allow for precise placement and won’t risk damage to materials. Look for pricing around $20 online.