3M 81729, Disc Pad Face Plate Ribbed, 9 in Hard Black, 7000148244 
Insize 2124-E082, PISTOL GRIP THREE POINTS BORE GAGE SET, .5-.8″, 6928640374692
$967.95
Optional accessory: electronic indicators
(part no. 2108-101EF, resolution .00005″/0.001mm),
setting rings (part no. 6313)
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