Ratchet Hex Cable Crimper:
Professional tool for mounting crimp type connectors (F, N, BNC, TNC, UHF, etc) on to coaxial cables. 
Long-life steel body
Metal crimp pliers/crimper
Can be used for
RG58
RG59
RG62
RG140
RG141
RG142
RG210
F- Connectors
BNC Connectors
TNC Connectors
N Connectors.