Aged 15 in 1985, I bought two sets of Draper spanners, metric and imperial, in metal clips, vacuum packed to cardboard from Woolworths. £1.99 a pack or something similar.
1977 I bought a cheap set of metric open end spanners from Tandys (remember them?) they were painted black and it was that thick you had to chip the paint off the jaws to get it to fit the stated nut size