Feature Brand new and good quality Heavy Duty Construction Twin rubber hoses with solid brass female fittings Abrasion resistant cover resists weather and cracking Use for welding and cutting Wide Applicable This oxyacetylene torch kit has the advantages of low temperature resistance and good flame retardancy, and is a good choice for industry and agriculture, transportation and daily life. Specification Color:Red and Bule Length:25FT/ 50FT/100FT Working pressure:300 PSI Broken pressure:900 PSI Inner diameter of the hose:1/4'' B FITTINGS This welding hose comes with B fittings in both ends, which fits for most torches and regulators. Fitting Sizes: 9/16"-18 LH and 9/16"-18 RH. Twin Hose Design This oxygen acetylene torch kit includes red and blue hoses to deliver oxygen and acetylene to your oxyacetylene welding, cutting equipment. Two different colors, red and blue, allow you to easily distinguish them and make a secure and accurate connection, ensuring you know exactly how to place the connection during use. Easy to Use and Store