3M 13639 Scotch-Brite Surface Conditioning Belt, 3/4 in x 18 in, A CRS, 7000120674 
Insize 3287-2B, GROOVE MICROMETERS, outside A 1-2″, inside B 1.05-2.05″, 6974029778360
$687.50
Graduation .001″.
Measure width of grooves inside bores.
Non-rotating spindle
Two graduations for inside and outside measurement.
Two-directional ratchet stop
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3M 20942, Scotch-Weld Urethane Adhesive 3549, Brown, Part A, 5 Gallon Drum, (Pail), 7100041738
$291.21