Jones Stephens' 200 PSI Pressure Gauge has a 1/4" lower connection, durable steel case construction, and a 3-1/2" shatterproof face. This gauge features PSI indicators up to 200 PSI for a concise reading. Designed for use with air, water, oil, and gas, Jones Stephens pressure gauges are manufactured of the highest quality materials to be durable and reliable.