BE® Pressure Washer Pressure Gauge has a 5000 PSI range and a large, easy-to-read face. Attaches quickly and easily to pressure washer outlet. Accuracy ASME/ANSI B40.1 Grade B (3-2-3%). 3/8″ Quick-Connect Plug, and Outlet: 3/8″ Quick-Connect Socket for easy attachment to your pressure washer pump! Avoid ruining another deck, house or driveway! Know what pressure you are operating at!