Convenient to use in close quarters
Gages are only 2" (50mm) long
Half-ball with a flat bottom
Hardened-ball measuring surface with two-point contact
Ideal for accurately measuring small holes, slots, grooves, and recesses
More accurate measurements
Permits use in shallow holes, slots, and recesses
Precision Ground Radius on each gage provides two-point contact for maximum accuracy
Used for general work
Well balanced