Sequoia Brass & Copper carries and distributes Alloy 101 OFE OFHC copper round rod. OFE stands for oxygen-free electrolytic that's been refined in a regulated environment to reduce the level of oxygen to .001% or below. All Copper round rod is cut to order to your specifications. Copper round rod diameter ranges from 1/8" to 8". Other sizes are available upon request. Typical uses of 101 OFE OFHC copper round rod are automotive rectifiers, electrical coaxial cable and coaxial tube, lead-in wire, and bus and hollow conductors.