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flat steel spanner
Which is also exactly the kind of thing CVA were making the tools to produce back then. One of father's first tasks on the shop floor was straightening the spanners which came in the Rolls Royce tool kit after they came off the punch press with the inevitable slight curvature, something only RR were concerned about enough to pay the extra for a second operation.
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brass box spanner
I think it's probably bronze rather than brass. By the time I was a boy those "dumbbell" box spanners had changed to steel, presumably because by then the balance of material and working cost had shifted in favour of steel over bronze.
gbj_tester
@clubman
" I just need something easy to carry which will fit both ends."
Two companions for the road:
The flat steel spanner (right in pic.) is perfect for these Whitworth wheel nuts (5/16" rear, 1/4" front). Literally millions of these (or similar) came with every new British bike - there must still be huge numbers of them in parts bins and cycle jumbles.
The brass box spanner (left) is probably French, but fits well enough for roadside repairs - I think it may have been made with the British market in mind.
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