34b.ni nickel Box Spanner Square nuts, ¼" a/f, cranked, the crank bends are more angular than most plain 34, the slope of the crank shallower, post-war stamping MMIE, top, flat angled end 89 mm long, 5.51 mm across at crank, 1.2mm thick, 2.81 where the box is bent up. Bought as a spare in 1964.