Looking to level windows, doors, or flooring? These 28mm flat plastic glazing packers from Glazing Supplies Direct simplify the job. Available in 1-6mm thicknesses, the 300-pack provides the flexibility you need for various DIY tasks. Lightweight, durable, and precise, they ensure stable, lasting installations for any project. Shop here: https://www.amazon.co.uk/Glazing-Supplies-Direc... https://www.amazon.co.uk/Glazing-Supplies-Direct-Plastic-Packers/dp/B0D2DF3M7K/?th=1