This 1/4-28 UNF-2A Thread Ring Gage is a precision measuring tool with a go/not go design. It is designed by SGS, Alameda, a reputable manufacturer in the United States. The gage type is a Thread Ring Gage which is ideal for CNC, metalworking, and manufacturing applications. NO GO .2225, GO 2258. LAST CERTIFIED BY FOX VALLEY METROLOGY IN 2019

The model is a Ring Thread Gage, and it is suited for measuring threaded parts and other similar components. The brand, GSG, Alameda, is known for producing high-quality gages, and this product is not an exception. Purchase this quality tool with confidence, and ensure that your measurement and inspection gage needs are met.