10mm 99.99% Graphite Electrode Cylinder Rod Length 300mm Specifications: Material: Graphite Color: Black Purity: 99.9% Diameter: 10mm Length: 300mm Quantity: 5pcs Graphite electrodes, carbon rod for spot welding machine, carbon rod machine, butt welding machine. For electrical appliances\' silver Point and copper pieces and other metal parts weldin..