4-48 UNJF 2A Steel Right Hand NG RING GAGE SETTING PLUG
12-24 UNC 3A STEEL NoGo Special setting and calibration gage plug member only (no handle included) used to set up or calibrate split thread ring gages to ASME B 1.2 tool steel cold stabilized Rc 60-62 marked with size and tolerance Certificate of Accuracy is included. Certificate of Accuracy is included.Click HERE to read about additional Long Form Cert.