SIOUX VALVE GUIDE PILOTS 12x METRIC  TOP 0.385" STEM SIZES :- 5.5 MM 6 MM 7 MM 8 MM 9 MM 10 MM 11 MM 12 MM 8.7313 MM 9.52 MM 11.1125 MM WE ALSO MAKE PILOTS AS PER SPECIFICATIONS  AND FOR SERDI,VANNORMAN,ROTLER,WINONA  SEAT CUTTING MACHINE SOLID CARBIDE PILOT.