Steel case construction; 3/4 in. female brass hose connection (hose not included) 2-1/2 in. shatterproof face; 160 PSI maximum pressure reading Includes indicator arm For water applications Individually boxed; Accuracy is 3-2-3%. Jones Stephens J66302 Features: Steel case construction 3/4" FGHT connection 2-1/2" face 0 - 160 psi 2 # increments Includes memory pointer Bourdon tube style Grade Class B Jones Stephens J66302 Specifications: Height: 4-1/16" Width: 1-3/16" Length: 2-7/16"