Detailed Product Description Liquid Filled Gauge w/U-Clamp for Panel Mounting1) Dial size: 1.5, 2, 2.5, 3, 3.5, 4, 62) Connection size: 1/8, 1/4, 1/2, 3/83) Connection threads: npt, bsp (g, pf), bspt (zg, pt)4) Material of the case, roll ring and U-clamp: stainless steel5) Material of the connection and internal: brass, chrome plated brass, stainlesssteel6) Scale: single or double with psi (lb/in ...