... with good quality 4.Many sizes for your choice heating element wire All the material we use is selected from ... so we are always enjoying good reputations.Size for heating wire :Dia.4.2MM( also has Dia.1-5 ... ,0Cr21Al6,0Cr21Al4,0Cr21Al6,0Cr19Al3,0Cr15Al5,0Cr13Al4,0Cr27Al7Mo2,etc.The heating resistance of Iron-Chrome-Aluminum (Fe-Cr-Al) ... in the first time to serve you! Electric heating element wire