PLAIN PIN Plug Gauge Go-8.040 to 8.043 & Nogo-8.088 to 8.090 mm, Depth Lgo -15.706 to 15.710 & Nogo-15.890 to 15.900 mm(GO -NOGO Gauge Required to check the MODULOC TRIAL RASP ADAPTOR) ( PPGH0103.35 )