Merit's PCR Series 2.5" dial glycerine filled pressure gauges are designed with a polished 304 SS case and ring and a robust 1-piece brass socket to ensure a strong connection unlike some other gauges on the market. A polycarbonate lens with psi only, psi/Bar or psi/kPa scales are standard. This gauge comes in 1/4" NPT bottom or center back connections standard with BSP and BSPT threads available upon request. Custom dial ranges and logos available upon request.