>From page 91 of my RFI catalog says crimping tools for RG174 are the RFA-4005-07 die. 213", .178", .068", .042" for RG58/u, RG174/U and rg316/U coax connectors (RFI cable groups B and C) Craig Clark K1QX Radioware PO Box 209 107 Fitzgerald Rd Rindge NH 03461 (603) 899-6957