So when trying to fix the tone ring two pieces just fell off in my hand and I ended up with this.
![](http://i1237.photobucket.com/albums/ff462/willowsdad/FDFCD35B-2046-4043-9C3F-93DDF29A03A4.jpg)
Oops! But with some adhesive, epoxy metal putty and some little modelling files I managed to get it to this.
![](http://i1237.photobucket.com/albums/ff462/willowsdad/E72F159A-46E0-4C37-A342-97D98FE49106.jpg)
Now to my eye it looks bang on. So hopefully it'll hold together ok and be good enough for the sensor. That I won't find out till the wheels are back on. On the plus side my brakes are all finished and back on the car and just need bleeding.