3M 82975, Roloc D/F Cool Running Disc Pad TR, 3 in 1/4-20 Internal, 7010309116 
3M 30137, Heavy Duty Canvas Wheel Masker, 20 inch, 7100145359, 4 per pack 
Insize 2187-101, ADJUSTABLE SNAP GAGE, 3.74-3.98″, 6928640314513
$238.28
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
Insize 0120-IM24, INDUCTIVE MOISTURE METER, 0~100%, 6974029776588
$207.68