Flexible Metal Hose Assembly Hose Inside Dia 1 1/4 in Hose Length 24 in Hose Tube Material 321 Stainless Steel Hose Cover Material 304 Stainless Steel Max Working Pressure @ 70 F 645 psi Temp Range -325 Degrees to 1200 Degrees F Dynamic Min Bend Radius (In.) 7.9 in Hose Fitting A Material 304 Stainless Steel Hose Fitting B Material 304 Stainless Steel Hose Fitting A Type MNPT Hose Fitting B Type FNPT Hose Fitting A Size 1 1/4 in Hose Fitting B Size 1 1/4 in