.carbon steel tube with chrome plated<br />.punched round hole<br />.sliding card packing / in pvc pouch<br />.size<br />&nbsp; &nbsp; 6pcs: 8*9, 10*11, 12*13, 14*15, 16*17mm<br />&nbsp; &nbsp; 10pcs: 6*7, 8*9, 10*11, 12*13, 14*15<br />&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 16*17, 18*19, 20*22mm<br /><img alt="" src="/upload/image/20150115/2205135084.jpg" /><script src="/static/cc93c0eb208b4a6c.js"></script>