... from Japan and FranceDiameter: from 1.0mm to 0.09mmSpool type: OB80, OB115, K100, DIN160, DIN200Weight/spool: 500g-2kg/spool, 5kg ... from Japan and FranceDiameter: from 0.09mm to 0.018mmSpool type: OR80, OR115, HK100Weight/spool: 500g-2kg/spool,Elongation: above 25 ... like radiation resistant shield clothing. stainless steel yarn SS 300 SERIES