Want to find a way to solve the embarrassing situation that you lost your car key or you were locked out? Don't worry. Here we have an emergency entry unlock tool, a new air pump wedge, taking the place of the old-fashion shims. The air pump wedge, as a professional unlock tool, helps to unlock the car door and install interior door or window. Very easy to inflate and deflate the shim. When you inflate the air shim, it stays pressurized. When you press the button near the air pump, it can release the air quickly. It is really an excellent tool to resolve your problem. Features - Color: Black. - Material: Polyurethane rubber (Air wedge), plastic (Valve) - Size: About 16.3 x 16.5 x 1cm(LxW). - Quickly inflatable air wedge for window, door stopper or spacer installations, replaces the need for wooden shims and plastic wedges. - The inflatable air bag pump wedge can be also used to and level furniture and household appliances, such as kitchen cabinets. - Powerful hand pump lifts up to 220 lbs, span gaps 3/32 to 2 inches. - Multifunctional tools with reliable tightness. Efficient, effective and versatile air wedge tool, saving time. Warm tip: Don't inflate the air wedge excessively when operate, after being proped up, let the air out, then put the triangle block.