The Forney RGrade Twin Oxygen Acetylene Hose is suitable for use with oxygenacetylene only. Should be used with acetylene fuel gas only. Resists kinks, heat, weather, and solvents. Features: Assembled Length 50. Assembled Width 3/16. Inside Diameter 3/16. Red hose for acetylene. Green hose for oxygen. Use with acetylene fuel gas only. Resists kinks, heat, weather, and solvents. Bleed hoses when not in use for at least 30 minutes. Pairs with 1 ferrule only. Includes standard B fittings. Specifications: Dimensions: 11.5 in. H x 11.5 in. W x 3.75 in. L. Weight: 7.5 lbs