MARES Mission 1 Heavy Duty Pressure Gauge Imperial (PSI) Brass 2" Scuba Diving SPG with Boot Submersible pressure gauge and integrated temperature gauge - 2" (50mm) compact design Pressure gauge 0 - 5000 PSI; Thermometer 0 - 130 degrees Fahrenheit Stainless steel, nickel plated brass and shock resistant elastomer boot case material Tempered mineral glass with fluorescent light blue dial 35" HP hose wih 7/16 UNF male thread