a) Thread: SUS304 or brass b) Movement: Brass or SUS304 c) Dial and pointer: Aluminum 1). Type: YRK2). Accuracy: 2.53). Case diameter: 50mm/2''. Or, your customized size.4). Measurement range: 0~400bar/0~6000psi, (psi, kpa, mpa, bar, kg/cm2 available)5). Connection: Bottom, Back6). Thread coupling: Metric Thread, BSP, NPT, BS and UN7). Material:a) Case: SUS304 or ABS b) Bourdon tube: SUS316L or ...