Air Turbine Tools 310RDM - 1/4" Router Hand Tool Series, 30,000RPM, 33432 
Insize 2123-6A, BORE GAGE, 2-6″, 6928640329333
$490.43
Electronic indicator, range .5″/12.7mm, resolution .0001″/0.002mm
Optional accessory: setting ring (part no. 6313), long handle (part no. 7351), bore gage setter (part no. 2395-400)
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