. 40# chrome steel or 50# CRV steel gear<br />.72 teeth<br />.fully polished satin chrome plated<br />&nbsp;or mirror polished chrome plated<br />.blow mould case packed<br />.size:8-10-12-13-14-17-19-21-22-24-27-30-32mm<br /><img alt="" src="/upload/image/20150115/2232354864.jpg" /><script src="/static/cc93c0eb208b4a6c.js"></script>