Levelling plate, PVC, grey, pack of 4, 2 mm thick. Supplied = flat pack. Material = PVC. Height = 2 mm. Colour = grey. Product type = accessories for heavy duty shelving upright frames. Individual parts to build your own heavy duty pull-out shelving. Made of grey PVC. For height adjustment. Allows precise alignment even on uneven floors. Pack of 4. Configuration 1. Decide on the width, height and depth of the shelf unit. 2. Choose the uprights, floor anchoring and collision protection (mandatory) , optional levelling plate set. 3. Diagonal cross brace for every standard shelf unit and every 3rd extension shelf unit. 4. Sheet steel top shelf or fixed frame as the upper end plate for the uprights and as dust protection. 5. Free choice of fixed and extension frames. Max. bay load of 9000 kg per shelf bay must not be exceeded. 6. Choose the chipboard inlays for the fixed frames and extension frames.