Knipex 97 40 20 sb compression tool for coax conectors 175mm knipex 97 40 20 sb this 175mm l compression tool for coax conectors from knipex has been designed for crimping f bnc and rca connectors suitable for rg 59 6 11 cables and equipped with a host of excellent features including the rotatable head for different cable sizes rotatable insert for various types of connector and adjusting screw for various connector lengths knipex 97 40 20 sb compression tool for coax conectors 175mm