Catch ball clamp rail, anodised aluminium, pack of 2, length 1000 mm. Supplied = assembled. Colour = aluminium silver. Material = anodised aluminium. Product type = document holders. Several pieces of paper can be inserted and removed again in any layout and order. The free running balls made of special glass ensure that the paper is held securely by the force of gravity. No damage to documents upon removal. Rails can be extended alongside each other as needed. Self-adhesive. The practical clamp rail for securing notes, plans, photos, drawings etc. Documents are simply clamped into the rail from below, are securely gripped and can be removed again at the side. The rails are self adhesive but can also be secured using screws.