Made of Type 316L Stainless Steel, this specially tempered wire wrap has a different feel than other half-hard materials such as Gold-filled or Sterling Silver. An excellent alternative, this wire wrap is also much stronger. Originally available in classic Round, it's now available in 1/2 Round and Square shapes necessary for wire-wrapping. This material is perfect for teaching classes and practice. Ideal for all types of wire-wrapping, weight-bearing designs, and holding designs together. Stainless Steel is harder and will harden faster than other wires, and resembles the finish of vintage platinum.