• Durable - Made of molded 0.08-inch thick transparent polystyrene plastic, it is durable and does not break easily. It is tinted with a non-glare smoke gray finish for easy visibility and minimal glare
• Professional Precision - The french curve comes with dual inking edges to ensure smudge-free and concise curves. This allows use of pencil and technical pen on both sides of the French curve.
• Durable Construction - Ideal Drafting and Measuring Tool, the Alvin French Curve Ruler is an ideal tool for drawing irregular curves and connecting lines and line segments.
• Protective Case - Comes with a protective vinyl case to keep it secure when not in use. Includes sizes 5.25", 6.5", 12.5", and 10.25" in the case pack.
• A Professional's Choice - Alvin, founded in 1950, has been the professional's choice for drafting tools and drawing supplies for over half a century.

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