Nomor model
WT20, WCe20, WP, WL20, WL15,etc
Aplikasi
TIG Welding or other applications
Model
WP, WL20, WL15, WT20, WCe20, etc
Dopped material
Thoriated, Lanthanum, Ceriated, etc
Color code
Red, grey, yellow, green, white, etc
Surface
Ground surface with annealed