Alvin & Co. 295 Parallel Glider 10 In
This 10 inch parallel glider is a versitile timesaver for drawing, drafting and nautical applications. It combines the functions of a parallel straightedge, triangle, protractor, T-Square, and compass. It has a durable acrylic blade with printed graduations, through holes at 1/2in increments, and a comfortable aluminum roller bar with rubber o-rings.