Standard Abrasives 703989, A/O Full Taper Cartridge Roll, 3/4 in x 1-1/2 in x 3/16 in 80, 7100093005 
Insize 3241-1, DEPTH MICROMETER, 0-1″, base 3.996_.669″, 6928640326721
$120.31
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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