Pure Atomist PA-KA1-38G100 Kanthal A1 38 Gauge 100' Resistance Wire Maximum continuous operating temperature of 1400C / 2550F Heat resistant up to 1500C / 2730F (Melting Point) Wire Size: 38 AWG / 0.1016mm Wire Shape: Round All wire is produced and spooled in the U.S.A. Our wire is Annealed, perfectly tensioned with no elongation, scratches, or other flaws to ensure the highest quality wire.