Helix - Architects Scale RulerSKU: K86010Scale featured 1:1, 1:20, 1:5, 1:1250, 1:100, 1:200, 1:50, 1:2500/ cm, mm and scale graduations
Helix - Architects Scale RulerSKU: K86010Scale featured 1:1, 1:20, 1:5, 1:1250, 1:100, 1:200, 1:50, 1:2500/ cm, mm and scale graduations
