. The quad and; offset quad panel riser pack is specifically designed with a one piece panel for an uninterrupted finish. The circular base plates & feet allow the tray to be levelled quickly. & creates a full stress support across the tray. This Panel Riser Pack consists of. 1 x Curved panel 550 radius. 2 x Panel joining brackets. 8 x Feet. 6 x Panel upright brackets and; Hook & Loops. 8 x Circular base plates and; adhesive pads. 4 x Floor fixing brackets. Screws.