This is one file is suited for two different devices, look it up at dictum.com and search for #707377 and for #707376 Use a leftover peace of plywood and after working on it, cut it to the size, which fits your storage drawer.
7
Hardware Inserts
Zirkel mit Blei.svg
Size abt 200 by 100 mm, 10 - 12 mm thick.
Shaper equipped with a 6 mm router bit.
Guess, it is self explaining. The depths ist abt 6mm, the circle for the brass part is a cutout with further 3mm.
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