APPLICATIONS: This air wedge set is perfect for lifting, levelling or wedging when installing windows, doors and cabinets. SUPER SLIM PROFILE: Inflates from 2mm to 75mm, making it ideal for insertion in narrow gaps. LOAD CAPACITY: With a maximum loading capacity of 135kg, this set is super strong. Contents:1 x 16.5 x 16.5cm small wedge1 x 19.5 x 11.5cm medium wedge1 x 27.0 x 13.3cm large wedge.