Can you help with this?

goose13, Jan 15, 8:22am
Is it old army issue or from old motorbike!

budgel, Jan 15, 9:04am
The arrow is common for Army stuff of British origin.

moosie_21, Sep 19, 12:45pm
Dual-drive, as in DD tanks that stormed the beaches of Normandy (or floundered in the Channel more like.)!