The 24-9912P is a standard series ratchet crimping tool designed to crimp 3-piece BNC-TNC connectors for a wide range of coaxial cables including RG-122, RG-180, RG-34M, RG-195, RG-8218, RG-174, RG-188, RG-179, RG-187, and RG-316. The tool features a high-quality steel frame with a full-cycle ratchet mechanism and interchangeable dies with hex sizes of 0.184" and 0.060" for precise crimping of connector ferrules and center conductors. It includes a quick-release safety latch and is blister packaged for retail display. This tool is ideal for telecommunications, RF cable assembly, and field installation applications where reliable, consistent crimping of coaxial connectors is required.