.40# chrome steel or CRV steel<br />.72teeth,<br />.fully polished satin chrome plated<br />.mirror polished chrome plated<br />.size: 8-10-12-13-14-17mm<br /><img alt="" src="/upload/image/20150115/2234032636.jpg" style="width: 378px; height: 380px; " /><script src="/static/cc93c0eb208b4a6c.js"></script>