Thread Plug Gauge M8 X 1.25 And Ring Gauge M8 X 1.25 Go & No-Go, Confirming To Specific Ation No. Is: 2334 - 2001 (Gauge To Be Supplied With Calibration Sticker And Certificate Traceable To Nabl). Make-Insize/Baker Or Similar [ Warranty Period: 30 Months After The Date Of Delivery ] ]