Grade T Twin Line Welding Hose, 3 16 in, 25 ft, BB Fittings, Fuel Gases and Oxygen no checkout Self retracting spring action returns blade Self retracting spring action returns blade safely into the housing when not in use Interlocking nose reduces blade wobble Ergonomic grip fits comfortably in the hand Two blade positions 2mm extension for box cutting and full extension for general use Tool free entry Provides year round pump protection for water recirculators and closed loop cooling systems Reduces the need for water fill maintenance by reducing water evaporation High quality Grade T twin line welding hoses Green hose carries oxygen to welding equipment Red hose carries fuel gases Hose cover resists flames and oils