3M 20245, HOOK AND LOOP DISC PAD HOLDER 20245, 7 IN X 7/8 IN CENTER POST 5/8-11 INTERNAL, 7010360340 
Insize 3241-4, DEPTH MICROMETER, 0-4″, base 3.996_.669″, 6928640326738
$193.75
Graduation: .001″.
Micrometer head accuracy: ?.00012″.
Rod accuracy: ?[.001+.0005(L/3)]”, L is the measuring range in inch.
Rods with flat end.
Ratchet stop.
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