Dial size: 40mm Center back mount 
Movement: F4002
Connection: 59-1 eco-friendly copper/nylon plastic 
Case: ABS plastic or iron
Bourdon tube: High performance phosphor bronze bourdon tube
Range: -1~12ATM/kpa, -1~26ATM/Kpa (black dial),-1~30ATM/Psi, -1~40ATM/Psi
Threaded size: M10×1, M10×0.75, 1/8PT