Case:              Ø4"(100mm),black steel
Ring:               Chromed steel
Window:          Glass
Pointer:           Black aluminium
Dial:                Aluminium
Bourdon tube:  Phosphor bronze
Movement:       Brass
Wetted parts:   Brass
Type:              Bottom entry
Union:             1/2"BSP 
Accuracy:        ±1.6%
Scale:             Single or double scales
Range:           0-2.5/4.0/6.0/10/16/25/40/60/100160/250/400/600/1000bar