A: Steel black case, steel black bezel, glass window, brass internal and connection dry
B: Brass polished case, screw in polycarbonate window, brass internal and connection, dry
C: Steel chrome plated case, steel chrome plated bezel, plastic window, brass internal and connection, dry
D: Steel black case, steel black bezel, plastic window, brass internal and connection dry
E: Steel chrome plated case, snap on plastic window, brass inside and connection, dry
F: Steel chrome plated case, screw in polycarbonate window, brass internal and connection, dry
G: Steel gold plated case, screw in polycarbonate window, brass internal and connection, dry
H: stainless steel case, stainless steel roll ring (or bayonet threaded ring), polycarbonate window, stainless steel internal and connection, liquid filled
I: Black steel case, stainless steel roll ring, polycarbonate window, brass internal and connection, liquid filled
J: Stainless steel case, stainless steel bezel, glass window, stainless steel internal and connection, dry
K: Stainless steel case, stainless steel roll ring, polycarbonate window, brass internal and connection, liquid filled
L: ABS case, plastic welded window, brass internal and connection, liquid filled
M: Stainless steel case, stainless steel bezel, glass window, brass internal and connection, dry
N: Five way connection with gauge (for options)
O: Steel black case, steel black bezel, plastic window, brass internal and connection, dry, with steel chrome plated gas test body (Gas test gauge)
P: ABS case, snap on plastic window, brass internal and connection, dry
Q: Steel black case, steel black bezel glass window, stainless steel tube and mechanism, steel chrome plated socket and connection, dry (Ammonia service)
R: Plastic case, screw in polycarbonate window, brass internal and connection, dry
S: Steel black case, snap on plastic window, brass internal and connection, dry
T: Steel black case, screw in polycarbonate window, brass internal and connection, dry
U: ABS case, snap in plastic window, brass internal and connection, dry
V: Fire extinguisher pressure gauge
W: Steel black case, snap on plastic window, brass internal and connection, dry, with brass water hose (Water test gauge)
X: Steel case, steel bezel, glass window, brass internal and connection, dry with rubber hose or ABS case, snap on plastic window, brass internal and connection, dry, with ABS air valve (Tyre pressure gauge)
Y: Steel black case, chrome plated bezel, plastic window, brass internal and connection dry
YE: Capsule gauges, steel case, snap on plastic window
Z: (Magnetic) Electric contact pressure gauge