3M 27628, Flange Adapter 6 in Radial Bristle Brush Set, 2 in x 1 in, 7000028515 
Insize 2124-E5, PISTOL GRIP THREE POINTS BORE GAGE, 4-5″, 6928640374609
$1,176.68
Optional accessory: electronic indicators
(part no. 2108-101EF, resolution .00005″/0.001mm),
setting rings (part no. 6313)
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Insize 4809, U.S. STAND SHEET METAL GAGE, 0-36(.3125~.0070″), 6928640330162
$35.18