Packaged in a plastic pouch with two divided pockets, This set contains a 180 Protractor, 45 and 60 triangles with beveled inking edges and a 6" ruler. The ruler and triangles all have inch and centimeter calibrations, and the The sets with the 6" and 8" rulers have holes on the side of the pouch so that they can be stored in a 3-ring binder.
 
If you're into urban architectural sketching, this set is indispensible. The medium weight plastic storage pouch will hold up to life on the go in your backpack, tote bag, or art box.