Starret No. 154-S Set of Four Precision Parallel Set
Range
in inches
No. 154-A 3/8”
to 1/2”
No. 154-B 1/2”
to 11/16”
No. 154-C 11/16”
to 15/16”
No. 154-D 15/16”
to 1-5/16”