Magnetic receptive Steel surface. Concealed mounting (wall screws and masonry plugs supplied, 6mm). Additional brackets for boards larger than 1500mm. Slide-in aluminium Chalk Rail (450 x 35mm). Chalk Rail packed in the back of board to ensure no damages while being transported. Can be used with Easy Rail System . Anodised aluminium frame. Can be mounted horizontally or vertically. Includes mounting instructions. After comparing online prices, www.marvel.co.za should be the cheapest on this product.