3mm Copper Round Rod, Favordrory 10PCS Copper Round Rods Lathe Bar Stock, 3mm in Diameter 100mm in Length. 5.0 out of 5 stars 2. $7.99 $ 7. 99 ($0.80/Item) Get it as soon as Fri, Aug 16. FREE Shipping on orders over $25 shipped by Amazon. Premier Copper Products BR12DB2 12-inch Round Hammered Copper Bar Sink with 2-inch Drain Opening.