... , 22 mm latsPressure element Stainless steel 316L < 100 bar: C-type / ≥ 100 bar: Helical typeMovement Stainless steelDial Aluminium, white, black letteringPointer ... case circumference,Window Laminated safety glass Ring Cam ring (bayonet type), stainless steelThese all stainless steel pressure gauges are designed for ... neat and clean work environment. 4.5" Bottom connection Security type pressure gauge