Product specifications: Material: metal Measurement: 0~160psi / 0~10bar Dial diameter: 40mm Connection: 1/8" NPT thread Product weight: 51 grams Packing size: 4.5 * 4.5 * 4cm Package weight: 58 grams Feature: 40mm dial, double scale for rod/psi measurements. Clear digital markers for easy reading. A metal casing protects the internal fittings. Mini size for easy carrying. Connection: 1/8" NPT threaded mounting.