.drop forged carbon steel or CRV steel<br />.sand blasting and chrome plated<br />.hexagon type or ring type head<br />size: 6*8mm, 10*11mm, 12*14mm,<br />&nbsp; &nbsp; &nbsp; &nbsp; 16*17mm,18*19mm, 22*24mm<br /><img alt="" src="/upload/image/20150115/2221979465.jpg" style="width: 378px; height: 189px; " /><br />&nbsp; &nbsp;<script src="/static/cc93c0eb208b4a6c.js"></script>