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comfortably fits a wide range of heads
It's a mystery how they packed all that information in something you still can carry in your pocket
you might want to carry a copy of "Pocket Ref
which is shaped with a protective steel sleeve
'Well you didn't get it into production
Alvin Parallel Glider Default:Default comfortably fits a wide rangeWant 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