Hi and welcome to fixYa, I am Kelly
This is the US support site for Blakeslee.
http://www.hfse.com/GetYourPart.html
Call 800-458-5593 or Fax 800-800-4981
They also have a Canadian site.
The link below has a
live chat feature where you can ask if they carry parts for the CC15 model:
http://www.hfse.com
Hopefully this will get you a source for your hook.
Thanks for choosing FixYa,
Kelly