30mm satin anodized extrusion Easy glide poster holding mechanism Available in seven sizes:A4, A3, A2, A1, ... A0,1000mm,1200mm. Snap action lightweight poster holder30mm satin anodized extrusionEasy glide poster holding mechanismAvailable in seven sizes:A4, A3, A2 ... . They are your ideal tools to display your image. Aluminium Poster snapper