[Spridgets] Terry's Spanners

[WJHS1960]

<<One
end is labeled "4 B.A" and the other is "6 B.A". The 4 end looks like about
1/4" and the 6 end is smaller (probably makes sense to an Englishman) at
about 3/16".
>>

Try on your SU Linkage, David<G>.