Perfectly superimposable and juxtaposable elements (elements of the same format) to make sorting walls. Italian shape to facilitate document introduction. Stable : exclusive horizontal grappling system assuring homogeneity and stability of the whole. Strong : shockproof polystyrene. Elements cast without solderings. Practical : label holder in front (labels included). Edge in front adapted to 19 mm Dymo titler tapes. Interior dividers adjustable on 3 positions facilitating ordering. 2 models : Standard model : Interior dimensions 37 x 27 cm. Outside dimensions H 12,5 x W 40 x D 30 cm: blue/black/gray Maxi model : Interior dimensions 47 x 35,5 cm. Outside dimensions H 12,5 x W 50 x D 38 cm: blue/black/gray