Alpha Active combines the proven Leitz quality of the suspension file system with innovative features for mobile use. The rider is firmly snapped onto the top edge of the Alpha containers and can be easily moved. For Alpha Active, push-down, labeling is visible. Transparent. Slipped up for normal use in the hanging shelf and pushed down for mobile use without disturbing transport. Lettering is always clearly legible. Snaps in firmly, but can be moved on the rail. For 4-line labelling labels.