629 2a Vehicle Height Restriction Metric & Imperial Sign Face Post & Wall Mounted fpw_temporary sign barrier ballast weight is non conductive to lightning and Size:780x580mm is non conductive to lightning and has no scrap value to attract theft The HOG600 Water Filled Barrier is a 1 metre road and crowd barrier made by Melba Swintex The diagram 629 2a sign marks the point past which vehicles over a set height cannot continue 750mm Sign face thickness 3mm Material Aluminium composite Face colour Red white black Rear colour Grey Reflectivity Class 2 R2 RA2 Certification CE marked to BS EN 12899 1:2007 Mounting Post mounted (c w rear channels) or wall mounted Origin Made in the UK