The air pump wedge can be used for home .The air wedge bag has a range of uses around the home or office and car: Lifting, levelling & adjusting:counter tops, door frames, window frames, cabinetry,etc<br><br><b>Key Features</b><br>1.Inflatable air shims with dozens of uses<br>2.Hard-wearing, non-marring material<br>3.Sealed and glued with TPU and high frequency welding<br>4.Used for fitting, fixing or levelling; slimline, slides into a 2mm gap<br>5.The inflatable air shim won't scratch or scuff surfaces unlike a metal jack<br>6.Quick release push buttom allows one-hand operated for controlled inflation<br><b>How to use it:</b> <br>1. Opened the package, Use the red  tool to slide into the gap,take out the air wedge, air wedge and tube are in a separate State<br>2. Insert the tube, close the valve<br>3. Keep squeezing, inflate wedge, when filled air stop<br>4. Open the valve let air flow out when finished use<br><b>Frequently Questions:</b><br>Q: What's the maximum height or lift a bag can produce? Thanks.<br>A:Thank you for your question. The maximum height is between 2 1/2 to 3 inches depending on the size of bag used.<br>Q: How long is the warranty?<br>A:We offer a lifetime warranty. If you have any issues or concerns please contact us directly and we will do everything possible to gain your full satisfaction with your purchase. Thank you!<br>Q:How long will this hold pressure? <br>A:The air bags should hold for an extended period of time as long as they are not overloaded beyond the maximum load capacity. <br><br>Q:What are some ways I can use this product?<br>A:There are a variety of ways to use our tool to lift, level support and align things such as installation of doors, cabinets, windows. Alignment of HVAC, appliances, furniture, aquariums. Support of items that need securing and more. Keep it in your toolbox for a variety of jobs.<br><b>Package included:</b><br>2xAir pump wedge<br>3xRed hand tools