Stanley Transmodul System, Modul ring spanner set (in sizes: 6 mm - 22 mm and 24 mm, with

19 mm, 6 mm, 12 mm, 24 mm, 14 mm, 22 mm, 16 mm, 23 mm, 10 mm, 21 mm, 18 mm, 7 mm, 17 mm, 11 mm, 15 mm, 8 mm, 9 mm, 13 mm, 20 mm