Volkel Go No-Go Plug Gauge SetThe Volkel Go No-Go plug gauge set consists of seven pieces of thread gauges in a sturdy plastic case. It is a combination of GO and NO-GO plug gauges. The scrap side ...
A thread limit plug gauge is a combination of go plug gauge and no-go plug gauge. The scrap side of the thread plug gauge is marked with a red ring. The go end of the thread plug gauge must screw i...