I reckon they must only sell it when a tin gets squashed or left open and the blue dries out.I've had my tin of micrometer blue since I was 18 (72 now). It wasn't new then, I inherited in the contents of an uncle's tool cabinet. He was a toolmaker by trade and had made good use of it.

That’s the only reason I got a new tin to replace my 50odd year old tin. My 1/2pint tin of valve grinding paste that I acquired used around 1970 will see me outI reckon they must only sell it when a tin gets squashed or left open and the blue dries out.![]()
Add a few drops of thin oil to the hardened cake and put the lid back on ?I reckon they must only sell it when a tin gets squashed or left open and the blue dries out.![]()
.. or lost during house movesI reckon they must only sell it when a tin gets squashed or left open and the blue dries out.![]()
I also had to put my hand in my pocket for a valve grinding tool this time (old school stick with rubber suckers..)





