3M 45099, Roloc Disc Pad TR, Medium 1-1/2 in 1/4-20 Internal, 7000045280 
Insize 2124-E1, PISTOL GRIP THREE POINTS BORE GAGE, .8-1″, 6928640374524
$700.98
Optional accessory: electronic indicators
(part no. 2108-101EF, resolution .00005″/0.001mm),
setting rings (part no. 6313)
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