GENERAL MACHINE PRODUCTS 74700 GAUGE PRESSURE B 2" NEW Getting a fast pressure measurement is easy with this inexpensive 2 inch diameter guage. The easy to read dial has 0-30 psi range and is divided into 30-1 lb increments with six 5 lb benchmarks. It's designed so you can read it from any angle and still get a reliable measurement within one lb. Each gauge comes with a solid brass snap on chuck for fast, secure installation. P/N 74700 weight 12 oz