.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 />.size: 8, 9, 10, 11, 12, 13, 14, 15, &nbsp;16, 17, 18, &nbsp;19mm<br /><script src="/static/cc93c0eb208b4a6c.js"></script>