Welding Blanket Protective Material Fiberglass Protective Material Coating Uncoated Maximum Temperature 1 000 Degrees F Overall Length 6 ft Overall Width 4 ft Protective Material Color White Protective Material Weight 32 oz/sq yd Protective Material Thickness 0.08 in Grommet Location Two on Each Corner Standards FM Approved Duty Rating Medium Grommet Spacing 24 in Fastener Type Grommets Grommet Hole Diameter 4/5 in Grommet Material Brass