Size: suitable for installing windows, doors and cabinets, replacing damaged levers, wood washers and auto repair tools. Ultra-thin ( about 0.1cm). The air wedge is easy to fit into the small space, providing more application options and storage convenience. TPU double-sided molding design to withstand higher load with higher abrasion performance. Powerful hand pump lifts up to 220 lbs. Simple tools with simple compression pump and precision bleeder valve raise and lower for perfect alignment. Warning: Do not over inflate during operation. Many different types of objects are kept during fortification. Our pump wedge is exceptionally pressure resistant and can accommodate a truck over 3 tons. Environmentally friendly material, no pollution, safe to use.