3M 45094, Roloc Disc Pad TR, Soft 2 in 1/4-20 Internal, 7000045278 
Insize 2187-25, ADJUSTABLE SNAP GAGE, .75-.98″, 6928640314391
$140.37
Used as Go/No-Go gage by setting upper and lower limits.
Flatness of anvil: 59_in.
Parallelism between tips and anvil: range 0-1.26″: 118_in,
Related products
Measuring/ Inspection Instruments
Insize 0020-A199, VIBRATION PEN (THREE PARAMETERS), 6974029777059
$1,044.21