3M 64279, Cubitron II Stikit Film Disc 775L, 180+, 5 in x NH, Linered w/Tab, Die 500X, 7100075690, 250 per case 
3M 08206, OEM Seam Sealer Tip Adapter, 6 per bag, 7000045428 
Insize 3287-1, GROOVE MICROMETER, 0-1″, 6928640327551
$455.93
Graduation .001″.
Measure width of grooves inside bores.
Non-rotating spindle.
Two graduations for inside and outside measurement.
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Insize 6140, DEPTH BASE ATTACHMENT, suitable for calipers with beam width (w) .630″, 6928640303579
$24.84