7 strand measures .015 inch (.38 millimeter) in diameter on a 30 foot spool. Crafters Series Satin. This value priced metallic colored wire is a welcome addition to the family of stainless steel coated wires. The unique nylon color coating provides your designs with added kink resistance and works especially well for bracelets and other designs that require less drape. Use this new wire exposed as part of your jewelry and with other findings for added elegance and beauty.