The Apeks TEK gauge is a high quality chrome plated Submersible Pressure Gauge (SPG) with a black face to help reduce glare and to preserve night vision in low light environments. This is available in metric gauge face, also with an OPTIONAL hose. PLEASE NOTE - THIS DOES INCLUDE THE HIGH PRESSURE SWIVEL PIN AS STANDARD. High quality chrome plated SPG Black faced SPG with luminescent numbers and hand that glows in the dark when charged with a light. The black face helps reduce glare and preserve night vision in low light environments i.e. inside a cave or wreck. 0' 360 bar / 0' 5000 psi scale Max working pressure 300 Bar/4350 psi Tempered glass face 52mm / 2" diameter face Available in METRIC gauge face. PLEASE NOTE THAT THIS DOES INCLUDE THE HIGH PRESSURE SWIVEL PIN AS STANDARD