Attributes . Metal Gauge: .019"; End Hole Size: 1/2"; Stnd Ind Part# II; Ribbed Die: R35 , Plain Die: P36 (These dies are for use with the 5111A and 1765A ferrule machine. Other sizes are available.). Bore/Crimp Diameter: 0.575" (Plain die bore diameter can be used as crimp spec ?.005) . Names