Mitutoyo 223-101 Rolling Digital Counter Disc Micrometer, 0-25mm Range, 0.01mm Graduation. Diameter of measuring disk: 20mm /. Edge thickness to enter narrow recesses.With Ratchet Stop for constant force. IDEAL PRECISION INSTRUMENT SERVICE, INC. YOUR SINGLE SOURCE FOR PRECISION INSTRUMENTS, GAGING AND REPAIR. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Metalworking Inspection & Measurement\Micrometers".precision" and is located in this country: US.