Twin Line Welding Hose, Hose Inside Dia. 3/8 in, Hose Outside Dia. 11/16 in, Hose Length 100 ft, Hose Color Green, Red, Hose Tube Material Synthetic Rubber, Hose Cover Material Nitrile, Hose Reinforcement Type Spiral, Hose Reinforcement Material Fiber, Burst Pressure 800 psi, Max. Working Pressure @ 70 F 200 psi, Temp. Range -40 Degrees to 120 Degrees F, Standards ARPM IP-7, CGA E-1, Safety Factor 4:1, Hose Configuration Coupled Assembly, Hose Grade T, Hose Fitting A Material Brass