Question is- unless anyone has any advice how to get a perfect flare every time (I can on copper so a bit lost), is it worth me annealing the ends once I have flared them to soften them up so they will definitely seal better when nipped up? I imagine it can be harder to get kunifer to seal as well as copper if the ends are not 100% perfect.
- here's the type of tool it is-
![Image](http://www.cbsonline.co.uk/pub/files/Products/Braking_and_Clutch_System/Braking_System_Tools/.thumbnails/1283773016_pf1_w450_h400.jpg)