4" IF ( Internal Flush ) Thread Ring Gage ( NC46 Thread Ring Gage interchangeable )

Gagemaker - 48" Precision Calibration Package with MT-4048-10 MIC TRAC(tm)

Gagemaker - 36" Precision Calibration Package with MT-4036-10 MIC TRAC(tm)

Gagemaker - MIC TRAC(tm) 60" High Resolution Force-Lok Unit with a Computer and MT-4-USB

Gagemaker - Mic Trac(Tm) 4000 Base Unit, 0" - 48", With Computer, Software, Tf-2R Setting Blocks, And Shipping Carton

Gagemaker - MIC TRAC(tm) 48" High Resolution Force-Lok Unit with a Computer and MT-4-USB