The VERMONT GAGE 301136540 Go/No Go Plug Gage Assy is the ideal tool for checking the accuracy of measuring equipment or gauging parts directly. This chrome plated, two-piece go and no-go plug gage has a 70/72 Rc finish that gives it superior corrosion resistance. The overall length of this go and no-go plug gage is 3/4″ and 3/8″, respectively. It has a 7/16″-14 thread size with an UNC thread type. If you are looking for a dependable go and no-go plug gage, look no further than the VERMONT GAGE 301136540.