Bimetal Thermowell, Internal Thread Size 1/2 NPSM, Stem Length 18 in, Process Connection 3/4 in NPT, Insertion Length 16 1/2 in, Material 316 Stainless Steel, Bore Dia. 0.26 in, Shank Dia. 0.5 in, Socket Length 18.25 in, Wrench Allowance 0.75 in. This item has been restricted from sale in the following state (s): []