Designed to be sited near to the discharge valves on road tankers to indicate to the operative the product carried in the tank in order to help prevent cross-overs and contaminations.Moulded from specially modified polypropylene with a removeable polycarbonate window the unit can display up to 10 products.The clip-on body with security grub screw can be removed in seconds for either cleaning or changing the label. To change the product grade displayed is acheived by simply pulling out the handle , twisting and then releasing into the next position. The bracket has several mounting holes and can be fitted horizontally or vertically.