3M 45098, Roloc Disc Pad TR, Soft 1-1/2 in 1/4-20 Internal, 7000045277 
Insize 2127-10, DIGITAL BORE GAGE (setting ring is not included), 6-10″, 6974029771620
$476.76
With digital indicator, part no. 2108-10EF, range .5/12.7mm, resolution .0001″/0.002mm
Optional accessory: setting ring, long handle, bore gage setter
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