Số Mô Hình
WT20, WCe20, WP, WL20, WL15,etc
Ứng dụng
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