4 Air Wedge Pump Up Bags Inflatable Automotive Kit Entry Shim Hand Tools Description- Lifting up to 440 pounds (200 kg) solves the problem of imbalance. - Span clearance is 0.06 to 2.1 inches (2-70 mm). Thin enough to wedge a gap of less than 2mm. - No trace of pliable surface! Durable enough to be used again and again! - Only one person has completed the installation. Effectively save time and labs. - By using four together, you can lift the object to 1760 lbs (800 kg) more stably and safely. Product accessories: 4 x air pump wedge Product size: approx. 16 * 15 cm (length * width). Product material: silicone Type: manual control Colour: Black