Soft Flex wire is both easy to use and strong. There are 21 individual strands of wire coated in plastic, the multiple strands giving it flexibility, the plastic making it resistant to rusting. Attach your clasp using crimps giving it strength and a clean finished look.

These are the wire thicknesses:

Very Fine: 0.010 inch / 0.2mm

Fine: 0.014 inch / 0.4mm

Medium: 0.019 inch / 0.5mm