Centurion Plastic Packers are suitable for use filling small gaps or spaces between objects to provide support, a level surface, or a better fit. The packers are ideal for many applications, such as: cladding, glazing, dry lining and frame fixing. This pack contains 30 x Centurion Plastic Packers, with 10 each of the following sizes: Green - 1mm x 28mm x 100mm. White - 3mm x 28mm x 100mm. Red - 6mm x 28mm x 100mm.