Autumn Carpenter Modeling Tool Sets are ideally used with fondant or gum paste. These arc tools create smiles, frown, eyebrows, and much more. Narrow arcs 4 mm x 8mm, 8 mm x 8 mm. Wide arcs 14 mm x 8mm, 14 mm x 4 mm. Also create whimsical scales or feathers by simply pressing the Arc tools into fond