3M 29835, Sanding Screen, 80 Grit, 18 in x NH, 7100160844 
Insize 6252-B18, BALL POINT (line pipe), 18 threads per inch, 6928640383908
$89.84
Supplied in pair
For taper measuring instruments (code 2230) and pitch measuring instruments (code 2234, 2235)
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$27.52
Diamond Hand Files
3M 71883, Flexible Diamond Hand File 6210J, No 2, White, 18, N20, 7000082161, 10 Per Case
$94.75
