The containment edge strip GN 646.4 keeps the material conveyed within the range of the roller track assemblies.

They can be snapped onto existing roller track assemblies.

The containment edges are not designed for use with roller track assemblies (ball track GN 646.2).

At the separation points, the containment edge strip can be shortened to individual total lengths at intervals of 54 mm (2 x 27 mm).