3/8-16 NC-3 NO GO GAGE PD = .3312

3/8-24 UNF-2A NO GO GAGE PD = .3430

3/8-24 UNF GO GAGE PD = .3479

7/16-20 NF GO GAGE PD = .4050

9/16-18 NF GO GAGE PD = .5264

3/4-10 UNC-2A GO GAGE PD = .6832

One price for all.

No wax covering calibration adjustment screws.