Hex Crimp Ratchet for Mini-RG59. Coax Crimp Tools: Professional grade hex-crimp tools for coaxial connectors are available in ratchet and non-ratcheting types, both provide dependable service. Ratchet tools feature replaceable dies. Included is a convenient release mechanism to unlatch the ratchet in the event of an improper crimp. Each too also crimps the contact pin to the conductor.