Features and Benefits:•Improved, melt-proof silicone hose•Improved brass tee. (No longer plastic).This hose and wiring assembly features an improved, melt-proof, silicone hose that replaces the older, blue vinyl hose that was prone to get accidentally melted. Replacement hose and wiring assembly for the following welder Part Numbers: 6050HA, 6051, 6053, 6056.