The ScubaPro Metric Gauge is ScubaPro's smallest pressure gauge. It measures with in 100 increments and has a 2.125 inch diameter. The booy is impact-resistant and features a durable brass case. This gauge has 0 to 300 bars readout with pressure increments of 50 bars to 300 bars. It features a luminescent face for easy reading in low-light conditions or night diving. It also has an eyelt for attachment of a lanyard or clip. The gauge hose is 87.5 cm (34.5ft) long and has a 7/16ft threaded end.