RFI Crimper for RG58/8X Coax RG-58/u, RG-59/u, RG-142/u, RG- 223/u, RG-400/u, RG-8X, Proflex and various video cables, Cavity dimensions: .052", .068", .100", .213" and .255". The .052" cavity crimps the center pin TIP on the RFU-600-1 connector.