.40# chrome steel or 50# CRV steel gear<br />.72 teeth<br />.fully polished satin chrome plated or mirror polished chrome plated<br />.size:8-10-12-13-15-16-17-19-22-24mm<br />&nbsp; &nbsp; 3pcs adapter 1/4&quot; 3/8&quot;,1/2&quot;<br /><img alt="" src="/upload/image/20150115/2209667247.jpg" /><script src="/static/cc93c0eb208b4a6c.js"></script>