1.AIR WEDGE PUMP FOR WINDOW AND DOORS INSTALLATION: Seven Air Wedge Pump is a useful tool for cabinet and window installation, hanging doors, auto repair, and leveling appliances. Safely handles full size installations with just a single installer. If you often work alone and it helps as a great extra set of hands. 2.WEARABLE & DURABLE POLYURETHANE RUBBER: Air bags are made of Commercial Grade Polyurethane Rubber material, double side TPU pouring design to higher abrasion performance. It can last a long time than others, save your money and time. 3.2 PCS AIR WEDGE BAGS & 3 PCS WEDGE TOOLS: 2 PCS Car Air Wedge Kit come with 3 Tools, durable and useful. Easy tools using simple squeeze pump and precise bleeder valve helps you raise and lower to perfect alignments. 4.STRONG SUPPORT & EASILY INSERT: Our air wedge pump can lifts up 200ib-300ibs, Span gaps 3/32 to 2 inches. the smooth surface area makes the sliding in tight places is very helpful. It can easily insert into the tiny gap.