Description DRAFTING/DRAWING/MEASURING TOOL – The Alvin french curve ruler is an ideal tool for drawing irregular curves and connecting lines and line segments. 10.25″. PRECISE – Comes with dual inking edges to ensure smudge-free and concise curves. Allows use of pencil and technical pen on both sides of the curve without worrying about bleeding of ink on paper. DURABLE – Made of 0.08-inch thick transparent polystyrene plastic; tinted with non-glare gray finish for visibility and minimized glare. Set contains FC3361, FC3381, FC3431, FC3421
