Flexible Metal Hose Assembly, Hose Inside Dia. 1 1/2 in, Hose Length 18 in, Hose Tube Material 321 Stainless Steel, Hose Cover Material 304 Stainless Steel, Max. Working Pressure @ 70 F 531 psi, Temp. Range -325 Degrees to 1200 Degrees F, Dynamic Min. Bend Radius (In.) 8.7 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 1/2 in, Hose Fitting B Size 1 1/2 in