Specialized crimping tools for crimping coaxial cables and BNC/TNC/BNCC connectors, used in various fields such as measuring instruments, LAN, and broadcasting equipment. Compatible with 1.5C coaxial cables, etc., also used for car digital terrestrial tuners, antennas, etc. The center contact and ferrule can be crimped to the cable and terminals with light force. The ratchet mechanism ensures that the crimp cannot be released unless it is fully crimped, preventing failures such as insufficient crimping. Features crimp torque adjustment. Crimping section hexagonal side size: 1.07-1.72-1.98-3.25-3.84-4.52mm RG174, RG179, 1.5C, etc.