... 1) Case with rolling2)Dial: 1.5"-6"3) Connection size: 1/8", 1/4", 3/8", 1 ... NPT, BSP (G, PF), BSPT (ZG, PT)5) Connection mounting: bottom, top, left, right, center back, offset ... filled media:glycerine oil or silicone oil7) Dial plate:single and dual scale(psi,kpa,mpa,bar,kg ... One Year Details show Liquid Filled Gauge:Back Connection :Oil Guage Bottom Connection :Oil gauge with U-Clamp : Application ...