The quantities being produced were substantial – in 1172, for example, Henry II received 100 axes, 1,000 picks, 2,000 shovels and 60,000 nails from St Briavel Castle.
Die gefertigten Mengen waren beträchtlich; 1172 z. B. erhielt Heinrich II. 100 Äxte, 1000 Pickel, 2000 Schaufeln und 60.000 Nägel von St Briavels Castle.