3M 5681, Disc Pad Holder 915, 5 in x 1/8 in x 3/8 in M14-2.0 Internal, 7000028500 
Dynabrade 98271 1/2" NPT Male Plug 
Insize 2123-10A, BORE GAGE, 6-10″, 6928640329340
$471.36
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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