Dial:

1 1/2” (40mm), 2 1/2” (63mm), 4” (100mm)

Case:

1.5",2",2.5",3",and 4"

Lens:

Polycarbonate ,normal glass

Ring:

1 1/2" (40mm), 2" (50mm) - steel, painted black, 2 1/2" (63mm) or 4" (100mm) - steel, chrome painted

Pointer:

Steel, painted black

Wetted Parts:

Brass

Connection:

1/8", 1/4", 1/2,3/8 BSP,NPT or BSPT dependent on
model &size. bottom, back, left side connection, lower
back connection.

Accuracy:

ASME B40.1 Grade B (3-2-3%)