Rotary rosette for multiplex / Rotaplex trio chrome plated 309664 6161.03 by Viega Rotary rosette has a diameter of 80 mm. The pen has a diameter of 10mm 15mm at the beginning and at the end with the 4 x grooves.
This PIN is approx. 85-86 mm long.
In addition to the large pin in the middle there are inside two small pins, left and right of
are the outer edge/edge 34-35mm from each other and are only 10mm high with a diameter of approx. 4mm.