Attributes . Metal Gauge: .016"; End Hole Size: 3/8"; Stnd Ind Part# 626; Ribbed Die: R38 , Plain Die: P39 (These dies are for use with the 5111A and 1765A ferrule machine. Other sizes are available.). Bore/Crimp Diameter: 0.500" (Plain die bore diameter can be used as crimp spec ?.005) . Names