Dunno why anyone buys Sidchrome or Snap-on(application of pressure) when Repco is the same gear and also has unlimited lifetime warranty.
I took 19mm ring/opens back 3x in one day when doing stupid sh!t with it, and they replaced it each time. Never broken anything else of theirs.
However, last I looked all of them exclude breakage if they have been extended with a bit of pipe or hammered upon.
They will look for a telltale ring / crescent mark halfway up the shaft, especially on breaker bars, caused from pipe slipped over the end. Jeff2, you are very lucky if you told them that and still got warranty.
Lesson is use a bar with chamfered inside and a rubber mallet
anyway Chris, yup both broke in same place they definitely need to come to the party I reckon. Engineers above know their stuff