Alvin Parallel Glider

Want one device that combines the functions of a parallel straightedge, a triangle, and a protractor? Wait, there's more! How about we throw in the functions of a T-square and compass as well? Well, act now, and you can get all those tools in one convenient device. Use your parallel glider in drawing and drafting, even nautical applications, if you're so inclined. But you've got to act now! Specifications & Care Smooth gliding action Easily makes parallel lines without twisting or turning under accidental pressure Durable acrylic blade with printed graduations Through-holes at ½" increments for drawing circles