AUTO DARKENING HELMET Inner Handhold Fiber Paper Glass size:108x50x3mm Paper thickness can be 1.0mm, 1.2mm,1. Product detailsAUTO DARKENING HELMET Inner Handhold Fiber Paper Welding MaskGlass size:108x50x3mmPaper thickness can be 1.0mm,1.2mm,1.5mm Inner Handhold Fiber Paper Welding MaskGlass size:108x50x3mmPaper thickness can be 1.0mm,1.2mm,1.5mm AUTO DARKENING HELMET