This is British Army single strand steel wire for use with the FULLER FIELD TELEPHONE SET, or Fuller's Radio or Fuller Phone Mk IV.  These were used from WWII till the late 1960's.  Released from NATO Stocks in Scandinavia.  Original British Army issue spool full of wire. Wire has cloth braided cover. The diameter of the spool is 9-1/4 inches, Height/Length is 6-7/8, Used, in very good serviceable condition.  Comes complete with British web carry satchel.   There is an additional shipping charge of $3.99 because of the size and weight of this item.