... kg,15kg, 20kg Material : quality brass wireWire diameter: 0.30mm, 0.25mm, 0.20mm,0.15mm.0.10mmWeight/spool: 3 kg, 5 kg, 7 kg ... ±0.001≥980BSH20**0.20±0.001≥980DIN125(3kg,3.5kg)P5(5kg)DIN160(7kg,8kg)DIN200(15kg,16kg)BSH25**0.25±0.001≥980BSH30**0.30±0 ... .001≥980Semi-hardBSSH25**0.25±0.001 480—520BSSH30**0.30±0.001 SoftBSS25**0.25±0.001 380—420 BSS25**0.30±0.001