A

B

C

D

Gage
Model No.

Tip No.
Upper

Tip No.
Lower

Min.-Max. Bore Dia.Range

Length Of Meas.Tip

Width of Meas.Tip

Depth of Meas.Tip

1901

1501

1501

.230-6.312

7/8

.014

.030

1902

1502

1502

.187-6.000

7/8

.030

.080

1903

1503

1503

.290-4.500

1 1/4

.050

.110

1904

1504

1504

.730-6.875

1 1/4

.040

.210

1904-3*

1504-3

1504-3

.730-6.875

1 1/4

.040

.210

1918

1502

1502

.187-6.000

7/8

.030

.080

1503

1503

.290-4.500

1 1/4

.050

.110

1504

1504

.730-6.875

1 1/4

.040

.210

1915

1505

1505

1.030-7.125

3 3/4

.050

.285

1915-3*

1505-3

1505-3

1.030-7.125

3 3/4

.050

.285