The Folding Warning Diamond Panel is manufactured from 1mm of aluminium and designed to display a 250mm warning diamond in accordance with ADR regulations. This panel can be folded in half when not in use and locked by an attached swivel catch to obscure information. This folding panel is available in seven varieties including: Compressed Gas, Corrosive, Flammable Gas, O.D.S., Oxidising Agent, Radioactive, and Toxic Gas.