Welding Screen, Frame Tube Size 3/4 in, Opacity Tinted Transparent, Screen Material Vinyl, Maximum Temperature 150 Degrees F, Overall Height 4 ft, Overall Width 6 ft, Screen Material Color Gray, Screen Material Weight 13 oz/sq yd, Screen Material Thickness 0.36 mm, Window Height Not Applicable, Window Width Not Applicable, Standards California Fire Marshal Compliant, Resistance Properties Abrasion Resistant, Rust Resistant, Base Frame Type Tube Frame, Fastener Type Grommets This free-standing Protect-O-Screen(R) protects workers, material, and equipment from the hazards of welding sparks, spatter, and UV flash. Constructed with 3/4" crossbars and 7/8" corners and legs, the sturdy 18-gauge black steel, rust-resistant, enamel-finish, square tube frame is designed to eliminate the slipping an.