3M 26120, PPS Series 2.0 Adapter, Type S28, 17.5 mm Female, 19 TPI
Thread, 7100135956 
Insize 2187-152, ADJUSTABLE SNAP GAGE, 5.75-5.98″, 6928640314599
$399.45
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 0213-A500, INFRARED THERMOMETER, -58?F~716?F/-50?C~380?C, 6940561934700
$79.29
Measuring/ Inspection Instruments
$3,744.91
Measuring/ Inspection Instruments
Insize 6144, ACCESSORY SET FOR DIGITAL CALIPERS, 6928640380839
$83.88
Measuring/ Inspection Instruments
Insize 0010-A35, SOUND LEVEL METER, 35dB~130dB, 6974029777004
$170.80