Standard Abrasives 726017, A/O R8 Straight Precision Cartridge Roll, 1/2 in x 1-3/4 in x 1/4 in 180, 7100098766 
Insize 2124-E08, PISTOL GRIP THREE POINTS BORE GAGE, .65-.8″, 6928640374517
$569.71
Optional accessory: electronic indicators
(part no. 2108-101EF, resolution .00005″/0.001mm),
setting rings (part no. 6313)
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