3M 26120, PPS Series 2.0 Adapter, Type S28, 17.5 mm Female, 19 TPI
Thread, 7100135956 
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 6144, ACCESSORY SET FOR DIGITAL CALIPERS, 6928640380839
$83.88
Measuring/ Inspection Instruments
Insize 6140, DEPTH BASE ATTACHMENT, suitable for calipers with beam width (w) .630″, 6928640303579
$24.78