Spannschlösser | Verschlüsse | Griffe | Kistenbeschläge
The catch plates (hooks) required for proper tensioning of the latches (clamps) fall into two main categories:

Form C for fitting in the same level as the latch (clamp)
Form D for fitting at right-angles to the latch (clamp)

Within each of these two categories there is a wide range of designs always matching the individual widths of the latch and the material thickness.

Catch plates (hooks)