• Easy to Use - Paper pad has an isometric grid of evenly spaced lines at 30, 90, and 120 degrees. For drawing 3-dimensional objects rotated at 45 degrees.
• Dimensions Options - Available in multiple page sizes and multiple page counts, from standard 8.5 x 11 inches up to 11 x 17 inches, in a 30 sheet pad or 100 sheet pack.
• Premium Quality - The 20 pound base paper is acid free and printed with a non-reproducible blue grid on one side. The paper surface is smooth and opaque.
• Multi-Purpose Tool - Ideal for mechanical drawing or design needs, especially machine design, architecture, and patent office drafting. Sharp, dense images stand out on bright white background.
• A Professional's Choice - Since 1950, Alvin has been the professional's choice for drafting tools and drawing supplies for over half a century. Perfect for students and professionals alike.

Proudly Made in the USA