2.5" - 3.0" RANGE.

SELF-CENTERING 3-POINT FOR ACCURATE MEASUREMENT OF INTERNAL DIAMETERS.

HIGHLY DURABLE CARBIDE-TIPPED CONTACT POINT.

MEASUREMENT CAN BE TAKEN CLOSER TO THE BOTTOM OF THE BLIND BORE., AND CAN BE TAKEN INTO A DEEP HOLE WITH AN EXTENSION.

RATCHET STOP PROVIDES UNIFORM MEASURING PRESSURE AND ASSURES HIGHEST READING ACCURACY.

SETTING RING ACCURACY WITHIN +/-0.00002".

READING: 0.0002"