5000 PSI Gauge for Paintball Air Tank by Captain O-Ring (5k Gauge Black, Compatible with 3k and 4.5k Tanks) Fits all standard paintball air tanks Compatible with both 3,000 and 4,500 psi tanks Heavy duty construction in a compact package Includes Captain O-Ring Lens Cleaning Microfiber Cloth Includes one-year warranty against defect by Captain O-Ring LLC