... 4.2mm 3.Length:500-2000m/Reel stainless steel electrical resistance wire Product Features: 1) Grade: 201, 202, 301 ... Diameter: 0.1mm-15.0mm3) Condition: soft wire, semi-soft wire, hard wire4) Surface finish: electrolysis bright, bright ... flexibility, abrasion resistance and corrosion resistance, unified diameter, smooth surface, bright color, ect.pictures: stainless steel electrical resistance wire