Tonks was given permission by the Giants to talk to other clubs and has signed a deal with Halifax to the end of the season .
Tonks will not be eligible for the Northern Rail Cup final against Tonks ' former club Featherstone on July 29 .
Tonks was given permission by the Giants to talk to other clubs and has signed a deal with Halifax to the end of the season , although he will not be eligible for the Northern Rail Cup final against his former club Featherstone on July 29 .