1. Brass wire: Dia: 0.7mm--0.061mm; Characteristic: No magnetism, wear-resisting, prolongs malleability 2. Red copper wire: Dia: 0.7mm--0.03mm; Characteristic: No magnetism, wear-resisting, the sound insulation is good and filtering the electron beam. 3. Phosphorus copper wire: Dia: 0.70mm--0.03mm; No magnetism, wear-resisting, prolongs malleability All usage: Electrical wire, electricial cables, electrician, electrical appliance, metal weave, asbestos cloth.