Thread Ring Gage 1" 1/4-7 UNC 2A Thread Ring Gauge GO NOGO

Material:Tool Steel 60-62 RC

Class of fit: 2A including T=(GO) Z=(NOGO)

Brand new Standard: ASME B1.2

Style: Solid RH( right hand) .T=GO Z=NOGO.

Package include:1 Set Thread Ring Gage.