Kemper Klay Kutters Triangle Set of 5 Pieces. Klay Kutters are just like cookie cutters with a pusher-outer in the middle. Use them with any type of clay, bread dough, modeling paste, soft wax, paint, sugar paste & more! Sizes include 1 each of 3/8", 7/16", 1/2", 3/4" and 1" diameters. Kutters are made of Brass with a Spring-Return Plunger.