SOFT FLEX-Trios Soft Wire. The designer's choice of wires Soft Flex uses multiple strands of stainless steel for strength and a nylon coating for comfort. Wire comes in three diameters as well as a variety of colors. Each diameter gives body and shape to each finished piece without sacrificing durability or beauty. Each package contains three 10ft/3m spools of satin silver wire: one each of 0.010in; 0.014in and 0.019in. Made in USA.