Connection Type BB Gas Type Acetylene Only Grade R Hazmat NO Hose I.D. [Nom] 1/4 in Hose O.D. [Nom] 0.53 in Length [Nom] 100 ft Material Synthetic Rubber Operating Temp. [Max] 212° F Operating Temp. [Min] -40° F Pressure [Max] 200 PSI Prop 65 YES Thread - TPI or Pitch 9/16 in to 18 Thread Direction Oxygen RH/Acetylene LH Type Welding Hose