Small Hole Gage .400-.500"/10.2-12.7mm Range, 3 1/2"/90mm Length, Full Ball
Adjustment of the gage beyond their range is restricted by a safety stop that prevents breakage
Full-ball gages
Hardened-ball measuring surface with two-point contact
Ideal for accurately measuring small holes, slots, grooves, and recesses
More accurate measurements
Precision Ground Radius on each gage provides two-point contact for maximum accuracy
Smooth, sensitive adjustment
Used for general work
Well balanced