Spirals are produced in such lenghts: 40, 42, 45, 50 cm (16", 17", 18", 20").
They can be made also in different sizes.
Soft necklaces - NC NM NP NF NN NE
NC - IVs
NE - IIs
NF - IIs
NM - IVs
NN - IVs
NP - IVs
