Beautifully forged and hand ground in Saint-Etienne, Ledin compasses, dividers and calipers may cost a little more than cheap mass produced ones but their rigidity, accuracy and reliability put them in an altogether different league.
Flat polished carbon steel legs, braced with a bowspring and governed by clever double bored conical nuts that can be angled and slid into position, they then re-engage under spring pressure so you can fine tune the adjustment.
The maximum spread (capacity) is equal to the total length of the arms for an opening of 60° in this case 150mm.
Pencil holder ∅ 8mm