The 58436-3 is an SDE Die Set designed for crimping 151/178x068 Hex coaxial connectors in professional telecommunications and networking applications. This die set is part of TE Connectivity's PRO-CRIMPER tool system and is used in conjunction with compatible hand tool frames to terminate coaxial cable assemblies. The die set enables reliable, repeatable crimping of hex-style connectors commonly used in RF and coaxial cable termination. It is compatible with the PRO-CRIMPER Assembly platform, allowing users to switch between different die sets for various connector types. This tool is essential for technicians working in networking, residential cabling, security, and telecommunications installations where consistent, high-quality coaxial terminations are required.