Crimpmaster(c) die sets offer the Crimpmaster crimp tool versatility with interchangeable dies for crimping RF, wire terminals, and modular plugs. This die set (EDMO# 30-587) is for crimping RG-58, RG-174, and 8218 cablesFour-cavity hex die: 0.213 (5.41mm), 0.178 (4.52mm), 0.068 (1.73mm), 0.042 (1.07mm)