Lightning Vapes Kanthal A1 Wire is available in a 25-100 foot length. With a melting point of 1500 °C and a maximum continuous operating temperature of 1400 °C in air, it is perfect for rebuilding atomizers (RBAs, RDAs). The wire comes on a plastic spool that features a notch to prevent unspooling. It comes in a round shape with various AWG sizes ranging from 20 to 40 and corresponding diameters.