47-20028 is a die set designed for use with Amphenol RF crimping tools for RF connector assembly. This die set features four die openings with dimensions of 0.178 in (4.52 mm), 0.255 in (6.48 mm), 0.052 in (1.32 mm), and 0.068 in (1.73 mm), enabling crimping of various connector sizes. The tool requires 25-35 lbs hand force for proper operation with dies butted together when fully closed. This die set is commonly used in RF connector termination and cable assembly applications where reliable, repeatable crimps are essential for signal integrity.