T Type socket wrench 1. Material: 45#carbon steel 2.Diameter: 9.0 ... black,zinc3) Process : heat treatment ,drop forged,butt welder4) Size : socket :7mm,8mm,9mm,10mm,11mm,12mm,13mm,14mm,15mm,16mm ... ,17mm,18mm,19mm5) Style : hex socketPackage detail1) carton in blukAdvantages1) speicial material for superior quality ... your email or fax within 24 hours. T Type socket wrench