Kemper Clay Cutters Set of 5 Oval Shapes Great for use with Polymer Clay, Sugarpaster, Bread Dough, and more! These high quality cutters are made of rust free brass with a spring loaded plunger center to pop out the cut out shapes. se the inside of the cut out shape to decorate items or simply use the cutters to cut out shaped holes in clay. Set of 5 sizes: 7/16", 1/2", 9/16", 11/16" and 15/16" diameters.