This folding parallel ruler is a multi-use workhorse for art, drafting, drawing, and design. The transparent blades provide easy, accurate readings, along with non-skid pads so the ruler stays firmly on the surface. It opens to 3-inch spacing between the blades and has a 12-inch length. Use is a variety of openings and lengths depending on your process.

Alvin has been the professional's choice for drafting tools and drawing supplies since 1950. Professionals have used Alvin brand tools in the design of everything from the NASA space programs to the Ford Mustang. That is where our heritage comes from, Alvin helped design America.