Dit handige doosje, waarvan elk compartimentje apart open kan, bevat de volgende ringetjes:

4mm in diameter, 0.7mm dik, 2.6mm binnen diameter; ca 300st./10g;

5mm in diameter, 0.7mm dik, 3.6mm binnen diameter; ca 225~235st./10g;

6mm in diameter, 0.7mm dik, 4.6mm binnen diameter; ca 172~197st./10g;

7mm in diameter, 0.7mm dik, 5.6mm binnen diameter; ca. 155st./10g;

8mm in diameter, 0.7mm dik, 6.6mm binnen diameter; ca. 125~133st./10g;

10mm in diameter, 0.7mm dik, 8.6mm binnen diameter; ca. 53~58st/9g.