Curves molded of green-tinted 0.09 thick polystyrene. Convenient, reusable storage envelope. Sizes 5…

Popular curves molded of smoke gray-tinted 0.08 thick polystyrene with double inking edges.

Contains 78 ellipses in five projections of 20, 30, 40, 50, and 60. Size range from 1/4" to 11/2". S…

Contains four popular curves from 51/4' to 121/2', each molded of smoke grey-tinted 0.08 thick styre…

Lightweight aluminum core is easy to shape and holds any curve firmly for accurate drawings. Graduat…

Lightweight aluminum core is easy to shape and holds any curve firmly for accurate drawings. Graduat…